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skin-invert"> <img class="mw-logo-wordmark" alt="Уикипедия" src="/static/images/mobile/copyright/wikipedia-wordmark-bg.svg" style="width: 7.5em; height: 1.3125em;"> <img class="mw-logo-tagline" alt="Свободната енциклопедия" src="/static/images/mobile/copyright/wikipedia-tagline-bg.svg" width="120" height="12" style="width: 7.5em; height: 0.75em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%A2%D1%8A%D1%80%D1%81%D0%B5%D0%BD%D0%B5" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Претърсване на Уикипедия [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Търсене</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Търсене в Уикипедия" aria-label="Търсене в Уикипедия" autocapitalize="sentences" title="Претърсване на Уикипедия [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Специални:Търсене"> </div> <button class="cdx-button cdx-search-input__end-button">Търсене</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Лични инструменти"> <div class="vector-user-links-main"> <div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Облик"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Change the appearance of the page's font size, width, and color" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Облик" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Облик</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_bg.wikipedia.org&uselang=bg" class=""><span>Направете дарение</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%A1%D1%8A%D0%B7%D0%B4%D0%B0%D0%B2%D0%B0%D0%BD%D0%B5_%D0%BD%D0%B0_%D1%81%D0%BC%D0%B5%D1%82%D0%BA%D0%B0&returnto=Scheme+%28%D0%B5%D0%B7%D0%B8%D0%BA+%D0%B7%D0%B0+%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5%29" title="Насърчаваме Ви да си създадете сметка и да влезете, въпреки че не е задължително." class=""><span>Създаване на сметка</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%A0%D0%B5%D0%B3%D0%B8%D1%81%D1%82%D1%80%D0%B8%D1%80%D0%B0%D0%BD%D0%B5_%D0%B8%D0%BB%D0%B8_%D0%B2%D0%BB%D0%B8%D0%B7%D0%B0%D0%BD%D0%B5&returnto=Scheme+%28%D0%B5%D0%B7%D0%B8%D0%BA+%D0%B7%D0%B0+%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5%29" title="Препоръчваме Ви да влезете, въпреки, че не е задължително. [o]" accesskey="o" class=""><span>Влизане</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Допълнителни опции" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Лични инструменти" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Лични инструменти</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="Потребителско меню" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_bg.wikipedia.org&uselang=bg"><span>Направете дарение</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%A1%D1%8A%D0%B7%D0%B4%D0%B0%D0%B2%D0%B0%D0%BD%D0%B5_%D0%BD%D0%B0_%D1%81%D0%BC%D0%B5%D1%82%D0%BA%D0%B0&returnto=Scheme+%28%D0%B5%D0%B7%D0%B8%D0%BA+%D0%B7%D0%B0+%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5%29" title="Насърчаваме Ви да си създадете сметка и да влезете, въпреки че не е задължително."><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Създаване на сметка</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%A0%D0%B5%D0%B3%D0%B8%D1%81%D1%82%D1%80%D0%B8%D1%80%D0%B0%D0%BD%D0%B5_%D0%B8%D0%BB%D0%B8_%D0%B2%D0%BB%D0%B8%D0%B7%D0%B0%D0%BD%D0%B5&returnto=Scheme+%28%D0%B5%D0%B7%D0%B8%D0%BA+%D0%B7%D0%B0+%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5%29" title="Препоръчваме Ви да влезете, въпреки, че не е задължително. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Влизане</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Страници за излезли от системата редактори <a href="/wiki/%D0%9F%D0%BE%D0%BC%D0%BE%D1%89:%D0%92%D1%8A%D0%B2%D0%B5%D0%B4%D0%B5%D0%BD%D0%B8%D0%B5" aria-label="Научете повече за редактирането"><span>научете повече</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%9C%D0%BE%D0%B8%D1%82%D0%B5_%D0%BF%D1%80%D0%B8%D0%BD%D0%BE%D1%81%D0%B8" title="Списък на промените, направени от този IP адрес [y]" accesskey="y"><span>Приноси</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%9C%D0%BE%D1%8F%D1%82%D0%B0_%D0%B1%D0%B5%D1%81%D0%B5%D0%B4%D0%B0" title="Дискусия относно редакциите от този адрес [n]" accesskey="n"><span>Беседа</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Сайт"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Съдържание" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Съдържание</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">преместване към страничната лента</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">скриване</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Начало</div> </a> </li> <li id="toc-Глобални_декларации" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Глобални_декларации"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Глобални декларации</span> </div> </a> <ul id="toc-Глобални_декларации-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Локално_свързване" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Локално_свързване"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Локално свързване</span> </div> </a> <button aria-controls="toc-Локално_свързване-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Превключване на подраздел Локално свързване</span> </button> <ul id="toc-Локално_свързване-sublist" class="vector-toc-list"> <li id="toc-letrec" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#letrec"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>letrec</span> </div> </a> <ul id="toc-letrec-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-define" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#define"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.2</span> <span>define</span> </div> </a> <ul id="toc-define-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Типове_данни" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Типове_данни"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Типове данни</span> </div> </a> <button aria-controls="toc-Типове_данни-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Превключване на подраздел Типове данни</span> </button> <ul id="toc-Типове_данни-sublist" class="vector-toc-list"> <li id="toc-Списъци" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Списъци"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.1</span> <span>Списъци</span> </div> </a> <ul id="toc-Списъци-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Други" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Други"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.2</span> <span>Други</span> </div> </a> <ul id="toc-Други-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Цикли" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Цикли"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Цикли</span> </div> </a> <ul id="toc-Цикли-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Коментари" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Коментари"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Коментари</span> </div> </a> <ul id="toc-Коментари-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Примери" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Примери"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Примери</span> </div> </a> <button aria-controls="toc-Примери-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Превключване на подраздел Примери</span> </button> <ul id="toc-Примери-sublist" class="vector-toc-list"> <li id="toc-Hello_world" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Hello_world"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.1</span> <span>Hello world</span> </div> </a> <ul id="toc-Hello_world-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Бележки" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Бележки"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Бележки</span> </div> </a> <ul id="toc-Бележки-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Съдържание" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Скриване/показване на съдържанието" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Скриване/показване на съдържанието</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Scheme (език за програмиране)</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Към статията на друг език. Налична на 48 езика" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-48" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">48 езика</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B3%D9%83%D9%8A%D9%85_(%D9%84%D8%BA%D8%A9_%D8%A8%D8%B1%D9%85%D8%AC%D8%A9)" title="سكيم (لغة برمجة) – арабски" lang="ar" hreflang="ar" data-title="سكيم (لغة برمجة)" data-language-autonym="العربية" data-language-local-name="арабски" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Scheme" title="Scheme – азербайджански" lang="az" hreflang="az" data-title="Scheme" data-language-autonym="Azərbaycanca" data-language-local-name="азербайджански" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-bat-smg mw-list-item"><a href="https://bat-smg.wikipedia.org/wiki/Scheme" title="Scheme – Samogitian" lang="sgs" hreflang="sgs" data-title="Scheme" data-language-autonym="Žemaitėška" data-language-local-name="Samogitian" class="interlanguage-link-target"><span>Žemaitėška</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/Scheme" title="Scheme – беларуски" lang="be" hreflang="be" data-title="Scheme" data-language-autonym="Беларуская" data-language-local-name="беларуски" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%B8%E0%A7%8D%E0%A6%95%E0%A6%BF%E0%A6%AE_(%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A7%8B%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A6%BE%E0%A6%AE%E0%A6%BF%E0%A6%82_%E0%A6%AD%E0%A6%BE%E0%A6%B7%E0%A6%BE)" title="স্কিম (প্রোগ্রামিং ভাষা) – бенгалски" lang="bn" hreflang="bn" data-title="স্কিম (প্রোগ্রামিং ভাষা)" data-language-autonym="বাংলা" data-language-local-name="бенгалски" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Scheme" title="Scheme – каталонски" lang="ca" hreflang="ca" data-title="Scheme" data-language-autonym="Català" data-language-local-name="каталонски" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Scheme" title="Scheme – чешки" lang="cs" hreflang="cs" data-title="Scheme" data-language-autonym="Čeština" data-language-local-name="чешки" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Scheme" title="Scheme – датски" lang="da" hreflang="da" data-title="Scheme" data-language-autonym="Dansk" data-language-local-name="датски" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Scheme" title="Scheme – немски" lang="de" hreflang="de" data-title="Scheme" data-language-autonym="Deutsch" data-language-local-name="немски" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/Scheme" title="Scheme – гръцки" lang="el" hreflang="el" data-title="Scheme" data-language-autonym="Ελληνικά" data-language-local-name="гръцки" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Scheme_(programming_language)" title="Scheme (programming language) – английски" lang="en" hreflang="en" data-title="Scheme (programming language)" data-language-autonym="English" data-language-local-name="английски" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Scheme" title="Scheme – есперанто" lang="eo" hreflang="eo" data-title="Scheme" data-language-autonym="Esperanto" data-language-local-name="есперанто" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Scheme" title="Scheme – испански" lang="es" hreflang="es" data-title="Scheme" data-language-autonym="Español" data-language-local-name="испански" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Scheme" title="Scheme – естонски" lang="et" hreflang="et" data-title="Scheme" data-language-autonym="Eesti" data-language-local-name="естонски" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%A7%D8%B3%DA%A9%DB%8C%D9%85_(%D8%B2%D8%A8%D8%A7%D9%86_%D8%A8%D8%B1%D9%86%D8%A7%D9%85%D9%87%E2%80%8C%D9%86%D9%88%DB%8C%D8%B3%DB%8C)" title="اسکیم (زبان برنامه‌نویسی) – персийски" lang="fa" hreflang="fa" data-title="اسکیم (زبان برنامه‌نویسی)" data-language-autonym="فارسی" data-language-local-name="персийски" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Scheme" title="Scheme – фински" lang="fi" hreflang="fi" data-title="Scheme" data-language-autonym="Suomi" data-language-local-name="фински" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Scheme" title="Scheme – френски" lang="fr" hreflang="fr" data-title="Scheme" data-language-autonym="Français" data-language-local-name="френски" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-fy mw-list-item"><a href="https://fy.wikipedia.org/wiki/Scheme" title="Scheme – западнофризийски" lang="fy" hreflang="fy" data-title="Scheme" data-language-autonym="Frysk" data-language-local-name="западнофризийски" class="interlanguage-link-target"><span>Frysk</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/Scheme" title="Scheme – иврит" lang="he" hreflang="he" data-title="Scheme" data-language-autonym="עברית" data-language-local-name="иврит" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Scheme" title="Scheme – хърватски" lang="hr" hreflang="hr" data-title="Scheme" data-language-autonym="Hrvatski" data-language-local-name="хърватски" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Scheme" title="Scheme – унгарски" lang="hu" hreflang="hu" data-title="Scheme" data-language-autonym="Magyar" data-language-local-name="унгарски" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/Scheme" title="Scheme – арменски" lang="hy" hreflang="hy" data-title="Scheme" data-language-autonym="Հայերեն" data-language-local-name="арменски" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Scheme" title="Scheme – италиански" lang="it" hreflang="it" data-title="Scheme" data-language-autonym="Italiano" data-language-local-name="италиански" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/Scheme" title="Scheme – японски" lang="ja" hreflang="ja" data-title="Scheme" data-language-autonym="日本語" data-language-local-name="японски" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%8A%A4%ED%82%B4_(%ED%94%84%EB%A1%9C%EA%B7%B8%EB%9E%98%EB%B0%8D_%EC%96%B8%EC%96%B4)" title="스킴 (프로그래밍 언어) – корейски" lang="ko" hreflang="ko" data-title="스킴 (프로그래밍 언어)" data-language-autonym="한국어" data-language-local-name="корейски" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Scheme" title="Scheme – литовски" lang="lt" hreflang="lt" data-title="Scheme" data-language-autonym="Lietuvių" data-language-local-name="литовски" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%B8%E0%B5%8D%E0%B4%95%E0%B5%80%E0%B4%82_(%E0%B4%AA%E0%B5%8D%E0%B4%B0%E0%B5%8B%E0%B4%97%E0%B5%8D%E0%B4%B0%E0%B4%BE%E0%B4%AE%E0%B4%BF%E0%B4%99%E0%B5%8D_%E0%B4%AD%E0%B4%BE%E0%B4%B7)" title="സ്കീം (പ്രോഗ്രാമിങ് ഭാഷ) – малаялам" lang="ml" hreflang="ml" data-title="സ്കീം (പ്രോഗ്രാമിങ് ഭാഷ)" data-language-autonym="മലയാളം" data-language-local-name="малаялам" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Scheme" title="Scheme – нидерландски" lang="nl" hreflang="nl" data-title="Scheme" data-language-autonym="Nederlands" data-language-local-name="нидерландски" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Scheme" title="Scheme – норвежки (нюношк)" lang="nn" hreflang="nn" data-title="Scheme" data-language-autonym="Norsk nynorsk" data-language-local-name="норвежки (нюношк)" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Scheme" title="Scheme – норвежки (букмол)" lang="nb" hreflang="nb" data-title="Scheme" data-language-autonym="Norsk bokmål" data-language-local-name="норвежки (букмол)" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Scheme" title="Scheme – полски" lang="pl" hreflang="pl" data-title="Scheme" data-language-autonym="Polski" data-language-local-name="полски" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Scheme" title="Scheme – португалски" lang="pt" hreflang="pt" data-title="Scheme" data-language-autonym="Português" data-language-local-name="португалски" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Scheme_(limbaj_de_programare)" title="Scheme (limbaj de programare) – румънски" lang="ro" hreflang="ro" data-title="Scheme (limbaj de programare)" data-language-autonym="Română" data-language-local-name="румънски" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/Scheme" title="Scheme – руски" lang="ru" hreflang="ru" data-title="Scheme" data-language-autonym="Русский" data-language-local-name="руски" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-rue mw-list-item"><a href="https://rue.wikipedia.org/wiki/Scheme" title="Scheme – Rusyn" lang="rue" hreflang="rue" data-title="Scheme" data-language-autonym="Русиньскый" data-language-local-name="Rusyn" class="interlanguage-link-target"><span>Русиньскый</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Scheme_(programski_jezik)" title="Scheme (programski jezik) – сърбохърватски" lang="sh" hreflang="sh" data-title="Scheme (programski jezik)" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="сърбохърватски" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Scheme_(programming_language)" title="Scheme (programming language) – Simple English" lang="en-simple" hreflang="en-simple" data-title="Scheme (programming language)" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Scheme_(programovac%C3%AD_jazyk)" title="Scheme (programovací jazyk) – словашки" lang="sk" hreflang="sk" data-title="Scheme (programovací jazyk)" data-language-autonym="Slovenčina" data-language-local-name="словашки" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Scheme_(programski_jezik)" title="Scheme (programski jezik) – словенски" lang="sl" hreflang="sl" data-title="Scheme (programski jezik)" data-language-autonym="Slovenščina" data-language-local-name="словенски" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/Scheme_(programski_jezik)" title="Scheme (programski jezik) – сръбски" lang="sr" hreflang="sr" data-title="Scheme (programski jezik)" data-language-autonym="Српски / srpski" data-language-local-name="сръбски" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Scheme" title="Scheme – шведски" lang="sv" hreflang="sv" data-title="Scheme" data-language-autonym="Svenska" data-language-local-name="шведски" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%87%E0%AE%9A%E0%AF%81%E0%AE%95%E0%AF%80%E0%AE%AE%E0%AF%8D" title="இசுகீம் – тамилски" lang="ta" hreflang="ta" data-title="இசுகீம்" data-language-autonym="தமிழ்" data-language-local-name="тамилски" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/Scheme" title="Scheme – таджикски" lang="tg" hreflang="tg" data-title="Scheme" data-language-autonym="Тоҷикӣ" data-language-local-name="таджикски" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Scheme" title="Scheme – турски" lang="tr" hreflang="tr" data-title="Scheme" data-language-autonym="Türkçe" data-language-local-name="турски" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/Scheme" title="Scheme – украински" lang="uk" hreflang="uk" data-title="Scheme" data-language-autonym="Українська" data-language-local-name="украински" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Scheme" title="Scheme – виетнамски" lang="vi" hreflang="vi" data-title="Scheme" data-language-autonym="Tiếng Việt" data-language-local-name="виетнамски" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/Scheme" title="Scheme – китайски" lang="zh" hreflang="zh" data-title="Scheme" data-language-autonym="中文" data-language-local-name="китайски" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/Scheme_(%E7%A8%8B%E5%BC%8F%E8%AA%9E%E8%A8%80)" title="Scheme (程式語言) – кантонски" lang="yue" hreflang="yue" data-title="Scheme (程式語言)" data-language-autonym="粵語" data-language-local-name="кантонски" class="interlanguage-link-target"><span>粵語</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q187560#sitelinks-wikipedia" title="Редактиране на междуезиковите препратки" class="wbc-editpage">Редактиране</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Именни пространства"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)" title="Преглед на основната страница [c]" accesskey="c"><span>Статия</span></a></li><li id="ca-talk" class="new vector-tab-noicon mw-list-item"><a href="/w/index.php?title=%D0%91%D0%B5%D1%81%D0%B5%D0%B4%D0%B0:Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)&action=edit&redlink=1" rel="discussion" class="new" title="Беседа за страницата (страницата не съществува) [t]" accesskey="t"><span>Беседа</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Промяна на езиковия вариант" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">български</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Прегледи"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)"><span>Преглед</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)&veaction=edit" title="Редактиране на страницата [v]" accesskey="v"><span>Редактиране</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)&action=edit" title="Редактиране на изходния код на страницата [e]" accesskey="e"><span>Редактиране на кода</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)&action=history" title="Предишни версии на страницата [h]" accesskey="h"><span>История</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Инструменти" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Инструменти</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Инструменти</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">преместване към страничната лента</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">скриване</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Допълнителни опции" > <div class="vector-menu-heading"> Действия </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)"><span>Преглед</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)&veaction=edit" title="Редактиране на страницата [v]" accesskey="v"><span>Редактиране</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)&action=edit" title="Редактиране на изходния код на страницата [e]" accesskey="e"><span>Редактиране на кода</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)&action=history"><span>История</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Основни </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%9A%D0%B0%D0%BA%D0%B2%D0%BE_%D1%81%D0%BE%D1%87%D0%B8_%D0%BD%D0%B0%D1%81%D0%B0%D0%BC/Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)" title="Списък на всички страници, сочещи насам [j]" accesskey="j"><span>Какво сочи насам</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%A1%D0%B2%D1%8A%D1%80%D0%B7%D0%B0%D0%BD%D0%B8_%D0%BF%D1%80%D0%BE%D0%BC%D0%B5%D0%BD%D0%B8/Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)" rel="nofollow" title="Последните промени на страници, сочени от тази страница [k]" accesskey="k"><span>Свързани промени</span></a></li><li id="t-upload" class="mw-list-item"><a href="/wiki/MediaWiki:Uploadtext" title="Качи файлове [u]" accesskey="u"><span>Качване на файл</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8_%D1%81%D1%82%D1%80%D0%B0%D0%BD%D0%B8%D1%86%D0%B8" title="Списък на всички специални страници [q]" accesskey="q"><span>Специални страници</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)&oldid=10798200" title="Постоянна препратка към тази версия на страницата"><span>Постоянна препратка</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)&action=info" title="Повече за тази страница"><span>Информация за страницата</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%A6%D0%B8%D1%82%D0%B8%D1%80%D0%B0%D0%BD%D0%B5&page=Scheme_%28%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5%29&id=10798200&wpFormIdentifier=titleform" title="Информация за начините за цитиране на тази страница"><span>Цитиране на статията</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:UrlShortener&url=https%3A%2F%2Fbg.wikipedia.org%2Fwiki%2FScheme_%28%25D0%25B5%25D0%25B7%25D0%25B8%25D0%25BA_%25D0%25B7%25D0%25B0_%25D0%25BF%25D1%2580%25D0%25BE%25D0%25B3%25D1%2580%25D0%25B0%25D0%25BC%25D0%25B8%25D1%2580%25D0%25B0%25D0%25BD%25D0%25B5%29"><span>Кратък URL адрес</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:QrCode&url=https%3A%2F%2Fbg.wikipedia.org%2Fwiki%2FScheme_%28%25D0%25B5%25D0%25B7%25D0%25B8%25D0%25BA_%25D0%25B7%25D0%25B0_%25D0%25BF%25D1%2580%25D0%25BE%25D0%25B3%25D1%2580%25D0%25B0%25D0%25BC%25D0%25B8%25D1%2580%25D0%25B0%25D0%25BD%25D0%25B5%29"><span>Изтегляне на QR код</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Отпечатване/изнасяне </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:Book&bookcmd=book_creator&referer=Scheme+%28%D0%B5%D0%B7%D0%B8%D0%BA+%D0%B7%D0%B0+%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5%29"><span>Създаване на книга</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:DownloadAsPdf&page=Scheme_%28%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5%29&action=show-download-screen"><span>Изтегляне като PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)&printable=yes" title="Версия за печат на страницата [p]" accesskey="p"><span>Версия за печат</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> В други проекти </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Category:Scheme_(programming_language)" hreflang="en"><span>Общомедия</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q187560" title="Препратка към свързания обект от хранилището за данни [g]" accesskey="g"><span>Обект в Уикиданни</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Облик"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Облик</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">преместване към страничната лента</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">скриване</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">от Уикипедия, свободната енциклопедия</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="bg" dir="ltr"><style data-mw-deduplicate="TemplateStyles:r12144718">.mw-parser-output .infobox-lua{width:22em}.mw-parser-output .infobox-title,.mw-parser-output .infobox-above,.mw-parser-output .infobox-subheader,.mw-parser-output .infobox-image,.mw-parser-output .infobox-header,.mw-parser-output .infobox-data-only,.mw-parser-output .infobox-below{text-align:center}.mw-parser-output .infobox-above{font-size:125%;font-weight:bold}.mw-parser-output .infobox-label,.mw-parser-output .infobox-data{text-align:left}.mw-parser-output .infobox-navbar{text-align:right}.mw-parser-output .infobox .navbar{font-size:100%}.mw-parser-output .infobox-italic-title{display:none}.mw-parser-output .infobox-subbox{padding:0;margin:-5px 0;border:0;border-spacing:0 5px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}body.skin-minerva .mw-parser-output .infobox th.onlysubbox,body.skin-minerva .mw-parser-output .infobox td.onlysubbox{padding:0!important}</style><table class="infobox infobox-lua infobox_v2 vcard"><tbody><tr><td colspan="2" class="infobox-above title computer" style="background-color:#B0C4DE; border:1px solid #aaaaaa;">Scheme</td></tr><tr><td colspan="2" class="infobox-image"><span typeof="mw:File"><a href="/wiki/%D0%A4%D0%B0%D0%B9%D0%BB:Lambda_lc.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/39/Lambda_lc.svg/100px-Lambda_lc.svg.png" decoding="async" width="100" height="100" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/39/Lambda_lc.svg/150px-Lambda_lc.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/39/Lambda_lc.svg/200px-Lambda_lc.svg.png 2x" data-file-width="375" data-file-height="375" /></a></span></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/%D0%9F%D0%B0%D1%80%D0%B0%D0%B4%D0%B8%D0%B3%D0%BC%D0%B0_%D0%BD%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5" title="Парадигма на програмиране">Парадигма</a></th><td class="infobox-data"><a href="/wiki/%D0%9F%D0%B0%D1%80%D0%B0%D0%B4%D0%B8%D0%B3%D0%BC%D0%B0_%D0%BD%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5" title="Парадигма на програмиране">Парадигма на програмиране</a> (<a href="/wiki/%D0%A4%D1%83%D0%BD%D0%BA%D1%86%D0%B8%D0%BE%D0%BD%D0%B0%D0%BB%D0%BD%D0%BE_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5" title="Функционално програмиране">functional</a> <a href="/w/index.php?title=Procedural_programming&action=edit&redlink=1" class="new" title="Procedural programming (страницата не съществува)">procedural</a> <a href="/wiki/%D0%9C%D0%B5%D1%82%D0%B0%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5" title="Метапрограмиране">meta</a>)</td></tr><tr><th scope="row" class="infobox-label">Реализиране през</th><td class="infobox-data">1970 г.<span class="noprint">; <br />преди 54 години</span><span style="display:none"> (<span class="bday dtstart published updated">1970</span>)</span></td></tr><tr><th scope="row" class="infobox-label">Автор</th><td class="infobox-data"><a href="/w/index.php?title=Guy_L._Steele&action=edit&redlink=1" class="new" title="Guy L. Steele (страницата не съществува)">Guy L. Steele</a><br /><a href="/w/index.php?title=Gerald_Jay_Sussman&action=edit&redlink=1" class="new" title="Gerald Jay Sussman (страницата не съществува)">Gerald Jay Sussman</a></td></tr><tr><th scope="row" class="infobox-label">Последна стабилна версия</th><td class="infobox-data">R7RS (ratified standard)</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/%D0%9A%D0%BE%D0%BC%D0%BF%D1%8E%D1%82%D1%8A%D1%80%D0%BD%D0%B0_%D0%BF%D0%BB%D0%B0%D1%82%D1%84%D0%BE%D1%80%D0%BC%D0%B0" title="Компютърна платформа">Платформа</a></th><td class="infobox-data">lexical</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/%D0%A4%D0%B0%D0%B9%D0%BB%D0%BE%D0%B2%D0%BE_%D1%80%D0%B0%D0%B7%D1%88%D0%B8%D1%80%D0%B5%D0%BD%D0%B8%D0%B5" title="Файлово разширение">Файлово разширение</a></th><td class="infobox-data">.scm .ss</td></tr><tr><td colspan="2" class="infobox-below" style="background:#DCDCDC; border:1px solid #aaaaaa;"><b><a href="https://commons.wikimedia.org/wiki/Category:Scheme_(programming_language)" class="extiw" title="commons:Category:Scheme (programming language)">Scheme</a></b> в <a href="/wiki/%D0%9E%D0%B1%D1%89%D0%BE%D0%BC%D0%B5%D0%B4%D0%B8%D1%8F" title="Общомедия">Общомедия</a></td></tr></tbody></table> <p><b>Scheme</b> е функционален <a href="/wiki/%D0%95%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5" title="Език за програмиране">език за програмиране</a>, диалект на <a href="/wiki/LISP" class="mw-redirect" title="LISP">LISP</a><sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>, разработен в технологичния институт в <a href="/wiki/%D0%9C%D0%B0%D1%81%D0%B0%D1%87%D1%83%D0%B7%D0%B5%D1%82%D1%81" title="Масачузетс">Масачузетс</a>. Характерен е със своя минималистичен синтаксис. Подходящ е за първоначално запознаване с функционалното програмиране. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Глобални_декларации"><span id=".D0.93.D0.BB.D0.BE.D0.B1.D0.B0.D0.BB.D0.BD.D0.B8_.D0.B4.D0.B5.D0.BA.D0.BB.D0.B0.D1.80.D0.B0.D1.86.D0.B8.D0.B8"></span>Глобални декларации</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)&veaction=edit&section=1" title="Редактиране на раздел: Глобални декларации" class="mw-editsection-visualeditor"><span>редактиране</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)&action=edit&section=1" title="Edit section's source code: Глобални декларации"><span>редактиране на кода</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>С ключовата дума <samp>define</samp> се създава променлива и се инициализира с дадена стойност. </p> <div class="mw-highlight mw-highlight-lang-scheme mw-content-ltr" dir="ltr"><pre><span></span><span class="w"> </span><span class="p">(</span><span class="k">define</span><span class="w"> </span><span class="nv">a</span><span class="w"> </span><span class="mi">7</span><span class="p">)</span> </pre></div> <p>Възможна е и декларация на функция. В следния пример е декларирана функция <samp>square</samp> за повдигане дадено число на квадрат: </p> <div class="mw-highlight mw-highlight-lang-scheme mw-content-ltr" dir="ltr"><pre><span></span><span class="w"> </span><span class="p">(</span><span class="k">define</span><span class="w"> </span><span class="p">(</span><span class="nf">square</span><span class="w"> </span><span class="nv">x</span><span class="p">)</span> <span class="w"> </span><span class="p">(</span><span class="nb">*</span><span class="w"> </span><span class="nv">x</span><span class="w"> </span><span class="nv">x</span><span class="p">))</span> </pre></div> <div class="mw-heading mw-heading2"><h2 id="Локално_свързване"><span id=".D0.9B.D0.BE.D0.BA.D0.B0.D0.BB.D0.BD.D0.BE_.D1.81.D0.B2.D1.8A.D1.80.D0.B7.D0.B2.D0.B0.D0.BD.D0.B5"></span>Локално свързване</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)&veaction=edit&section=2" title="Редактиране на раздел: Локално свързване" class="mw-editsection-visualeditor"><span>редактиране</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)&action=edit&section=2" title="Edit section's source code: Локално свързване"><span>редактиране на кода</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="letrec">letrec</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)&veaction=edit&section=3" title="Редактиране на раздел: letrec" class="mw-editsection-visualeditor"><span>редактиране</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)&action=edit&section=3" title="Edit section's source code: letrec"><span>редактиране на кода</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>С <samp>letrec</samp> се осъществяват <a href="/wiki/%D0%A0%D0%B5%D0%BA%D1%83%D1%80%D1%81%D0%B8%D1%8F" title="Рекурсия">рекурсии</a>. </p> <div class="mw-highlight mw-highlight-lang-scheme mw-content-ltr" dir="ltr"><pre><span></span><span class="p">(</span><span class="k">define</span><span class="w"> </span><span class="p">(</span><span class="nf">fak</span><span class="w"> </span><span class="nv">n</span><span class="p">)</span> <span class="w"> </span><span class="p">(</span><span class="k">letrec</span><span class="w"> </span><span class="p">((</span><span class="nf">F</span><span class="w"> </span><span class="p">(</span><span class="k">lambda</span><span class="p">(</span><span class="nf">x</span><span class="p">)</span> <span class="w"> </span><span class="p">(</span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="nb">=</span><span class="w"> </span><span class="nv">x</span><span class="w"> </span><span class="mi">0</span><span class="p">)</span><span class="w"> </span><span class="mi">1</span> <span class="w"> </span><span class="p">(</span><span class="nb">*</span><span class="w"> </span><span class="nv">x</span><span class="w"> </span><span class="p">(</span><span class="nf">F</span><span class="w"> </span><span class="p">(</span><span class="nb">-</span><span class="w"> </span><span class="nv">x</span><span class="w"> </span><span class="mi">1</span><span class="p">)))))))</span> <span class="w"> </span><span class="p">(</span><span class="nf">F</span><span class="w"> </span><span class="nv">n</span><span class="p">)))</span> </pre></div> <div class="mw-heading mw-heading3"><h3 id="define">define</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)&veaction=edit&section=4" title="Редактиране на раздел: define" class="mw-editsection-visualeditor"><span>редактиране</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)&action=edit&section=4" title="Edit section's source code: define"><span>редактиране на кода</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Освен за инициализаиране на глобални променливи и функции, с <samp>define</samp> могат да се дефинират и локани променливи, видими в блока, в който се намират. Така се постига по добра четливост на програмата и така се избягва използването на <samp>letrec</samp>. </p> <div class="mw-highlight mw-highlight-lang-scheme mw-content-ltr" dir="ltr"><pre><span></span><span class="w"> </span><span class="p">(</span><span class="k">let</span><span class="w"> </span><span class="p">((</span><span class="nf">x</span><span class="w"> </span><span class="mi">5</span><span class="p">))</span> <span class="w"> </span><span class="p">(</span><span class="k">define</span><span class="w"> </span><span class="p">(</span><span class="nf">foo</span><span class="w"> </span><span class="nv">y</span><span class="p">)</span> <span class="w"> </span><span class="p">(</span><span class="nf">bar</span><span class="w"> </span><span class="nv">x</span><span class="w"> </span><span class="nv">y</span><span class="p">))</span> <span class="w"> </span><span class="p">(</span><span class="k">define</span><span class="w"> </span><span class="p">(</span><span class="nf">bar</span><span class="w"> </span><span class="nv">a</span><span class="w"> </span><span class="nv">b</span><span class="p">)</span> <span class="w"> </span><span class="p">(</span><span class="nb">+</span><span class="w"> </span><span class="p">(</span><span class="nb">*</span><span class="w"> </span><span class="nv">a</span><span class="w"> </span><span class="nv">b</span><span class="p">)</span><span class="w"> </span><span class="nv">a</span><span class="p">))</span> <span class="w"> </span><span class="p">(</span><span class="nf">foo</span><span class="w"> </span><span class="p">(</span><span class="nb">+</span><span class="w"> </span><span class="nv">x</span><span class="w"> </span><span class="mi">3</span><span class="p">)))</span> </pre></div> <div class="mw-heading mw-heading2"><h2 id="Типове_данни"><span id=".D0.A2.D0.B8.D0.BF.D0.BE.D0.B2.D0.B5_.D0.B4.D0.B0.D0.BD.D0.BD.D0.B8"></span>Типове данни</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)&veaction=edit&section=5" title="Редактиране на раздел: Типове данни" class="mw-editsection-visualeditor"><span>редактиране</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)&action=edit&section=5" title="Edit section's source code: Типове данни"><span>редактиране на кода</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Списъци"><span id=".D0.A1.D0.BF.D0.B8.D1.81.D1.8A.D1.86.D0.B8"></span>Списъци</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)&veaction=edit&section=6" title="Редактиране на раздел: Списъци" class="mw-editsection-visualeditor"><span>редактиране</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)&action=edit&section=6" title="Edit section's source code: Списъци"><span>редактиране на кода</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>list</li></ul> <p>Функцията <samp>list</samp> връща нов списък от аргументите си. </p> <div class="mw-highlight mw-highlight-lang-scheme mw-content-ltr" dir="ltr"><pre><span></span><span class="w"> </span><span class="p">(</span><span class="nb">list</span><span class="w"> </span><span class="mi">1</span><span class="w"> </span><span class="mi">2</span><span class="w"> </span><span class="mi">3</span><span class="p">)</span> <span class="w"> </span><span class="p">(</span><span class="nb">list</span><span class="w"> </span><span class="p">(</span><span class="nb">list</span><span class="w"> </span><span class="mi">1</span><span class="w"> </span><span class="mi">2</span><span class="p">)</span><span class="w"> </span><span class="p">(</span><span class="nb">list</span><span class="w"> </span><span class="mi">3</span><span class="w"> </span><span class="mi">4</span><span class="p">))</span> </pre></div> <ul><li>sublist</li> <li>list-ref</li></ul> <p>Функцията <samp>list-ref</samp> приема като аргументи списък и позиция в списъка. Връща елемента от списъка, който се намира на посочената позиция. </p> <div class="mw-highlight mw-highlight-lang-scheme mw-content-ltr" dir="ltr"><pre><span></span><span class="w"> </span><span class="p">(</span><span class="nb">list-ref</span><span class="w"> </span><span class="p">(</span><span class="nb">list</span><span class="w"> </span><span class="ss">'а</span><span class="w"> </span><span class="ss">'б</span><span class="w"> </span><span class="ss">'в</span><span class="w"> </span><span class="ss">'г</span><span class="p">)</span><span class="w"> </span><span class="mi">1</span><span class="p">)</span><span class="c1">; връща 'б</span> </pre></div> <ul><li>list-tail</li> <li>length</li></ul> <p>Функцията <samp>length</samp> взима като аргумент списък и връща неговата дължина. </p> <div class="mw-highlight mw-highlight-lang-scheme mw-content-ltr" dir="ltr"><pre><span></span><span class="w"> </span><span class="p">(</span><span class="nb">length</span><span class="w"> </span><span class="p">(</span><span class="nb">list</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="mi">1</span><span class="w"> </span><span class="mi">2</span><span class="w"> </span><span class="mi">3</span><span class="w"> </span><span class="mi">4</span><span class="p">))</span><span class="c1">; дължината на списъка е 5</span> </pre></div> <ul><li>cons</li> <li>car</li> <li>cdr</li> <li>append</li> <li>reverse</li></ul> <div class="mw-heading mw-heading3"><h3 id="Други"><span id=".D0.94.D1.80.D1.83.D0.B3.D0.B8"></span>Други</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)&veaction=edit&section=7" title="Редактиране на раздел: Други" class="mw-editsection-visualeditor"><span>редактиране</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)&action=edit&section=7" title="Edit section's source code: Други"><span>редактиране на кода</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>булев тип</li></ul> <p>Истина и неистина се отбелязват съответно с <samp>#t</samp> и <samp>#f</samp>. </p> <ul><li>низове</li></ul> <p>Символните низове започват и завършват с <samp>"</samp>. </p> <ul><li>символи</li> <li>числа</li></ul> <div class="mw-heading mw-heading2"><h2 id="Цикли"><span id=".D0.A6.D0.B8.D0.BA.D0.BB.D0.B8"></span>Цикли</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)&veaction=edit&section=8" title="Редактиране на раздел: Цикли" class="mw-editsection-visualeditor"><span>редактиране</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)&action=edit&section=8" title="Edit section's source code: Цикли"><span>редактиране на кода</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Scheme няма конструкции за цикли. Когато се налага използването им се прибягва до <a href="/wiki/%D0%A0%D0%B5%D0%BA%D1%83%D1%80%D1%81%D0%B8%D1%8F" title="Рекурсия">рекурсия</a>. Един безкраен цикъл изглежда така: </p> <div class="mw-highlight mw-highlight-lang-scheme mw-content-ltr" dir="ltr"><pre><span></span><span class="w"> </span><span class="p">(</span><span class="k">define</span><span class="w"> </span><span class="p">(</span><span class="nf">loop</span><span class="p">)</span> <span class="w"> </span><span class="p">(</span><span class="nf">loop</span><span class="p">))</span> </pre></div> <p>Типичен пример за рекурсия е следното изчисление на <a href="/wiki/%D0%A4%D0%B0%D0%BA%D1%82%D0%BE%D1%80%D0%B8%D0%B5%D0%BB" title="Факториел">факториел</a>: </p> <div class="mw-highlight mw-highlight-lang-scheme mw-content-ltr" dir="ltr"><pre><span></span><span class="w"> </span><span class="p">(</span><span class="k">define</span><span class="w"> </span><span class="p">(</span><span class="nf">fak</span><span class="w"> </span><span class="nv">n</span><span class="p">)</span> <span class="w"> </span><span class="p">(</span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="nb">=</span><span class="w"> </span><span class="nv">n</span><span class="w"> </span><span class="mi">0</span><span class="p">)</span> <span class="w"> </span><span class="mi">1</span> <span class="w"> </span><span class="p">(</span><span class="nb">*</span><span class="w"> </span><span class="nv">n</span><span class="w"> </span><span class="p">(</span><span class="nf">fak</span><span class="w"> </span><span class="p">(</span><span class="nb">-</span><span class="w"> </span><span class="nv">n</span><span class="w"> </span><span class="mi">1</span><span class="p">)))))</span> </pre></div> <div class="mw-heading mw-heading2"><h2 id="Коментари"><span id=".D0.9A.D0.BE.D0.BC.D0.B5.D0.BD.D1.82.D0.B0.D1.80.D0.B8"></span>Коментари</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)&veaction=edit&section=9" title="Редактиране на раздел: Коментари" class="mw-editsection-visualeditor"><span>редактиране</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)&action=edit&section=9" title="Edit section's source code: Коментари"><span>редактиране на кода</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Коментарите започват с <b>;</b> и продължават до края на реда. </p> <div class="mw-heading mw-heading2"><h2 id="Примери"><span id=".D0.9F.D1.80.D0.B8.D0.BC.D0.B5.D1.80.D0.B8"></span>Примери</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)&veaction=edit&section=10" title="Редактиране на раздел: Примери" class="mw-editsection-visualeditor"><span>редактиране</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)&action=edit&section=10" title="Edit section's source code: Примери"><span>редактиране на кода</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Hello_world">Hello world</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)&veaction=edit&section=11" title="Редактиране на раздел: Hello world" class="mw-editsection-visualeditor"><span>редактиране</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)&action=edit&section=11" title="Edit section's source code: Hello world"><span>редактиране на кода</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-highlight mw-highlight-lang-scheme mw-content-ltr" dir="ltr"><pre><span></span><span class="w"> </span><span class="p">(</span><span class="k">begin</span> <span class="w"> </span><span class="p">(</span><span class="nb">display</span><span class="w"> </span><span class="s">"Hello, World!"</span><span class="p">)</span> <span class="w"> </span><span class="p">(</span><span class="nb">newline</span><span class="p">))</span> </pre></div> <div class="mw-heading mw-heading2"><h2 id="Бележки"><span id=".D0.91.D0.B5.D0.BB.D0.B5.D0.B6.D0.BA.D0.B8"></span>Бележки</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)&veaction=edit&section=12" title="Редактиране на раздел: Бележки" class="mw-editsection-visualeditor"><span>редактиране</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)&action=edit&section=12" title="Edit section's source code: Бележки"><span>редактиране на кода</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><span class="citation reference"> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20141207143744/http://classes.soe.ucsc.edu/cmps112/Spring03/languages/scheme/SchemeTutorialA.html">classes.soe.ucsc.edu</a>, архив на <a rel="nofollow" class="external text" href="https://classes.soe.ucsc.edu/cmps112/Spring03/languages/scheme/SchemeTutorialA.html">оригинала</a> от 7 декември 2014<span class="printonly">, <a rel="nofollow" class="external free" href="https://web.archive.org/web/20141207143744/http://classes.soe.ucsc.edu/cmps112/Spring03/languages/scheme/SchemeTutorialA.html">https://web.archive.org/web/20141207143744/http://classes.soe.ucsc.edu/cmps112/Spring03/languages/scheme/SchemeTutorialA.html</a></span><span class="reference-accessdate">, посетен на 5 юли 2017</span></span><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=classes.soe.ucsc.edu&rft_id=https%3A%2F%2Fweb.archive.org%2Fweb%2F20141207143744%2Fhttp%3A%2F%2Fclasses.soe.ucsc.edu%2Fcmps112%2FSpring03%2Flanguages%2Fscheme%2FSchemeTutorialA.html&rfr_id=info:sid/en.wikipedia.org:Scheme_(%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5)"><span style="display: none;"> </span></span></span> </li> </ol></div> <div class="plainlinks" style="margin-top:1em;display:table"><div style="float:left;width:32px;overflow:hidden"><span typeof="mw:File"><a href="/wiki/%D0%A4%D0%B0%D0%B9%D0%BB:Crystal_Clear_app_kpackage.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/03/Crystal_Clear_app_kpackage.png/30px-Crystal_Clear_app_kpackage.png" decoding="async" width="30" height="30" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/03/Crystal_Clear_app_kpackage.png/45px-Crystal_Clear_app_kpackage.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/03/Crystal_Clear_app_kpackage.png/60px-Crystal_Clear_app_kpackage.png 2x" data-file-width="128" data-file-height="128" /></a></span></div><div style="margin-left:37px"><i>Тази статия, свързана със <a href="/wiki/%D0%A1%D0%BE%D1%84%D1%82%D1%83%D0%B5%D1%80" title="Софтуер">софтуер</a>, все още е <a href="/wiki/%D0%A3%D0%B8%D0%BA%D0%B8%D0%BF%D0%B5%D0%B4%D0%B8%D1%8F:%D0%9C%D1%8A%D0%BD%D0%B8%D1%87%D0%B5" title="Уикипедия:Мъниче">мъниче</a>. Помогнете на Уикипедия, като я <a class="external text" href="https://bg.wikipedia.org/w/index.php?title=Scheme_%28%D0%B5%D0%B7%D0%B8%D0%BA_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5%29&action=edit">редактирате</a> и разширите.</i></div></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Взето от „<a dir="ltr" href="https://bg.wikipedia.org/w/index.php?title=Scheme_(език_за_програмиране)&oldid=10798200">https://bg.wikipedia.org/w/index.php?title=Scheme_(език_за_програмиране)&oldid=10798200</a>“.</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%9A%D0%B0%D1%82%D0%B5%D0%B3%D0%BE%D1%80%D0%B8%D0%B8" title="Специални:Категории">Категория</a>: <ul><li><a href="/wiki/%D0%9A%D0%B0%D1%82%D0%B5%D0%B3%D0%BE%D1%80%D0%B8%D1%8F:%D0%A4%D1%83%D0%BD%D0%BA%D1%86%D0%B8%D0%BE%D0%BD%D0%B0%D0%BB%D0%BD%D0%B8_%D0%B5%D0%B7%D0%B8%D1%86%D0%B8_%D0%B7%D0%B0_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%B8%D1%80%D0%B0%D0%BD%D0%B5" title="Категория:Функционални езици за програмиране">Функционални езици за програмиране</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Скрита категория: <ul><li><a href="/wiki/%D0%9A%D0%B0%D1%82%D0%B5%D0%B3%D0%BE%D1%80%D0%B8%D1%8F:%D0%9C%D1%8A%D0%BD%D0%B8%D1%87%D0%B5%D1%82%D0%B0_%D0%B7%D0%B0_%D1%81%D0%BE%D1%84%D1%82%D1%83%D0%B5%D1%80" title="Категория:Мъничета за софтуер">Мъничета за софтуер</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> Последната промяна на страницата е извършена на 7 април 2021 г. в 15:52 ч.</li> <li id="footer-info-copyright">Текстът е достъпен под лиценза <a rel="nofollow" class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.bg">Creative Commons Признание-Споделяне на споделеното</a>; може да са приложени допълнителни условия. 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