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{"id":733,"date":"2011-06-03T16:58:49","date_gmt":"2011-06-03T07:58:49","guid":{"rendered":"http:\/\/blog.bugyo.tk\/b-log\/?p=733"},"modified":"2011-06-03T16:59:53","modified_gmt":"2011-06-03T07:59:53","slug":"scheme-%e6%9d%9f%e7%b8%9b%e3%81%99%e3%82%8b%e5%80%a4%e3%82%92%e7%9c%81%e7%95%a5%e3%81%a7%e3%81%8d%e3%82%8b%e3%82%88%e3%81%86%e3%81%ab-let-%e3%82%92%e6%9b%b8%e3%81%8d%e6%8f%9b%e3%81%88%e3%82%8b","status":"publish","type":"post","link":"https:\/\/blog.bugyo.tk\/b-log\/archives\/733","title":{"rendered":"[Scheme] \u675f\u7e1b\u3059\u308b\u5024\u3092\u7701\u7565\u3067\u304d\u308b\u3088\u3046\u306b let \u3092\u66f8\u304d\u63db\u3048\u308b"},"content":{"rendered":"

Common Lisp \u3067\u306f<\/p>\n

\r\nCL-USER> (let (a b c) c)\r\nNIL\r\n<\/pre>\n
\u306e\u3088\u3046\u306b let \u3067\u675f\u7e1b\u3059\u308b\u5024\u3092\u7701\u7565\u3067\u304d\u308b\uff0e
\n\u7701\u7565\u3055\u308c\u305f\u5909\u6570\u306f nil \u306b\u675f\u7e1b\u3055\u308c\u308b\uff0e<\/p>\n
\u3057\u304b\u3057\uff0cScheme \u306b\u306f\u305d\u306e\u3088\u3046\u306a\u7701\u7565\u8a18\u6cd5\u306f\u306a\u3044\uff0e
\n\u305d\u3053\u3067\uff0c\u30de\u30af\u30ed\u3092\u4f7f\u3044 Common Lisp \u306e\u3088\u3046\u306a\u7565\u8a18\u6cd5\u3092\u5c0e\u5165\u3059\u308b\uff0e
\n\u6b21\u306e\u3088\u3046\u306b\u66f8\u304f\uff0e<\/p>\n
\r\n(define-syntax old-let let)\r\n\r\n(define-syntax %let\r\n  (syntax-rules ()\r\n    ((_ (te ...) () body ...)\r\n     (old-let (te ...)\r\n       body ...))\r\n    ((_ (te ...) ((id e) be ...) body ...)\r\n     (%let (te ... (id e)) (be ...) body ...))\r\n    ((_ (te ...) (id be ...) body ...)\r\n     (%let (te ... (id '())) (be ...) body ...))))\r\n\r\n(define-syntax let\r\n  (syntax-rules ()\r\n    ((_ e1 e2 ...)\r\n     (%let () e1 e2 ...))))\r\n<\/pre>\n
Common Lisp \u3068\u540c\u69d8\u306b\u675f\u7e1b\u3059\u308b\u5024\u3092\u7701\u7565\u3057\u305f\u5909\u6570\u306f\u7a7a\u30ea\u30b9\u30c8\u306b\u675f\u7e1b\u3055\u308c\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u308b\uff0e<\/p>\n","protected":false},"excerpt":{"rendered":"
Common Lisp \u3067\u306f CL-USER> (let (a b c) c) NIL \u306e\u3088\u3046\u306b let \u3067\u675f\u7e1b\u3059\u308b\u5024\u3092\u7701\u7565\u3067\u304d\u308b\uff0e \u7701\u7565\u3055\u308c\u305f\u5909\u6570\u306f nil \u306b\u675f\u7e1b\u3055\u308c\u308b\uff0e \u3057\u304b\u3057\uff0cScheme \u306b\u306f\u305d\u306e\u3088\u3046\u306a\u7701\u7565\u8a18\u6cd5\u306f\u306a\u3044\uff0e \u305d\u3053\u3067\uff0c\u30de\u30af\u30ed\u3092\u4f7f\u3044 Common Lisp \u306e\u3088\u3046\u306a\u7565\u8a18\u6cd5\u3092\u5c0e\u5165\u3059\u308b\uff0e \u6b21\u306e\u3088\u3046\u306b\u66f8\u304f\uff0e (define-syntax old-let let) (define-syntax %let (syntax-rules () ((_ (te …) () body …) (old-let (te …) body Continue reading   [Scheme] \u675f\u7e1b\u3059\u308b\u5024\u3092\u7701\u7565\u3067\u304d\u308b\u3088\u3046\u306b let \u3092\u66f8\u304d\u63db\u3048\u308b<\/span>→<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[218,257,236,258],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/blog.bugyo.tk\/b-log\/wp-json\/wp\/v2\/posts\/733"}],"collection":[{"href":"https:\/\/blog.bugyo.tk\/b-log\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.bugyo.tk\/b-log\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.bugyo.tk\/b-log\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.bugyo.tk\/b-log\/wp-json\/wp\/v2\/comments?post=733"}],"version-history":[{"count":4,"href":"https:\/\/blog.bugyo.tk\/b-log\/wp-json\/wp\/v2\/posts\/733\/revisions"}],"predecessor-version":[{"id":737,"href":"https:\/\/blog.bugyo.tk\/b-log\/wp-json\/wp\/v2\/posts\/733\/revisions\/737"}],"wp:attachment":[{"href":"https:\/\/blog.bugyo.tk\/b-log\/wp-json\/wp\/v2\/media?parent=733"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.bugyo.tk\/b-log\/wp-json\/wp\/v2\/categories?post=733"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.bugyo.tk\/b-log\/wp-json\/wp\/v2\/tags?post=733"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}