{"id":5427,"date":"2020-05-24T09:57:23","date_gmt":"2020-05-24T00:57:23","guid":{"rendered":"https:\/\/yumishin.com\/?p=5427"},"modified":"2020-05-24T09:57:49","modified_gmt":"2020-05-24T00:57:49","slug":"ruby-proc","status":"publish","type":"post","link":"https:\/\/yumishin.com\/?p=5427","title":{"rendered":"Ruby\u306eProc\u30af\u30e9\u30b9\u3068\u306f\uff1f\u30e9\u30e0\u30c0\u5f0f\u3001Proc\u306e\u7279\u5fb4"},"content":{"rendered":"<p>Ruby\u3092\u3084\u3063\u3066\u308b\u3082\u306e\u3067\u3059\u3002\u7a81\u7136\u3067\u3059\u304cProc\u30af\u30e9\u30b9\u3063\u3066\u3088\u304f\u5206\u304b\u3089\u306a\u304f\u306a\u3044\u3067\u3059\u304b\uff1f\u305d\u3053\u3067\u4eca\u56de\u306fProc\u30af\u30e9\u30b9\u306b\u3064\u3044\u3066\u7c21\u5358\u306b\u307e\u3068\u3081\u3066\u304a\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<h2 id=\"i-0\">Ruby\u306eProc\u30af\u30e9\u30b9\u3068\u306f\uff1f\u30e9\u30e0\u30c0\u5f0f\u3001Proc\u306e\u7279\u5fb4<\/h2>\n<h3 id=\"i-1\">Proc\u30af\u30e9\u30b9\u306e\u7279\u5fb4<\/h3>\n<h4 id=\"i-2\">Proc\u306f\u30d6\u30ed\u30c3\u30af\u3068\u3057\u3066\u8a18\u8ff0\u3055\u308c\u305f\u624b\u7d9a\u304d\u3092\u6301\u3061\u904b\u3076\u305f\u3081\u306e\u30af\u30e9\u30b9<\/h4>\n<p>Proc\u306f\u5c0f\u3055\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u6301\u3061\u904b\u3076\u305f\u3081\u306e\u30af\u30e9\u30b9\u3067\u3059\u3002\u30af\u30e9\u30b9\u306b\u3059\u308b\u307e\u3067\u3082\u306a\u3044\u5c0f\u3055\u306a\u624b\u7d9a\u304d\u3092Proc\u3068\u3057\u3066\u6301\u3061\u904b\u3076\u3068\u3044\u3046\u306e\u304c\u4e3b\u306a\u5229\u7528\u65b9\u6cd5\u3002<\/p>\n<p>Proc.new\u30e1\u30bd\u30c3\u30c9\u306b\u30d6\u30ed\u30c3\u30af\u3092\u4e0e\u3048\u308b\u3068\u3001\u305d\u306e\u30d6\u30ed\u30c3\u30af\u3092\u4fdd\u6301\u3059\u308bProc\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u4f5c\u3089\u308c\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5429\" src=\"https:\/\/yumishin.com\/wp-content\/uploads\/2020\/05\/6.jpg\" alt=\"\" width=\"1920\" height=\"1080\" srcset=\"https:\/\/yumishin.com\/wp-content\/uploads\/2020\/05\/6.jpg 1920w, https:\/\/yumishin.com\/wp-content\/uploads\/2020\/05\/6-1536x864.jpg 1536w, https:\/\/yumishin.com\/wp-content\/uploads\/2020\/05\/6-940x529.jpg 940w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\"><\/p>\n<h4 id=\"i-3\">Proc\u306f\u30d6\u30ed\u30c3\u30af\u3068\u5bc6\u63a5\u306a\u95a2\u4fc2\u304c\u3042\u308b<\/h4>\n<p>Proc\u306f\u30d6\u30ed\u30c3\u30af\u3068\u5bc6\u63a5\u306b\u95a2\u4fc2\u3057\u3066\u3044\u307e\u3059\u3002\u30d6\u30ed\u30c3\u30af\u90e8\u5206\u304cProc.call\u306b\u3088\u3063\u3066\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u305f\u6642\u306e\u5f15\u6570\u304c\u30d6\u30ed\u30c3\u30af\u5909\u6570\u3068\u306a\u308a\u3001\u30d6\u30ed\u30c3\u30af\u3067\u6700\u5f8c\u306b\u8a55\u4fa1\u3055\u308c\u305f\u5f0f\u306e\u5024\u304cProc#call\u306e\u623b\u308a\u5024\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5430\" src=\"https:\/\/yumishin.com\/wp-content\/uploads\/2020\/05\/7.jpg\" alt=\"\" width=\"1920\" height=\"1080\" srcset=\"https:\/\/yumishin.com\/wp-content\/uploads\/2020\/05\/7.jpg 1920w, https:\/\/yumishin.com\/wp-content\/uploads\/2020\/05\/7-1536x864.jpg 1536w, https:\/\/yumishin.com\/wp-content\/uploads\/2020\/05\/7-940x529.jpg 940w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\"><\/p>\n<h4 id=\"i-4\">\u30af\u30ed\u30fc\u30b8\u30e3\u3068\u3057\u3066\u306e\u5f79\u5272\u304c\u3042\u308b<\/h4>\n<p>Proc\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u3088\u3046\u306b\u624b\u7d9a\u304d\u3068\u5909\u6570\u3092\u74b0\u5883\u3068\u3057\u3066\u4fdd\u6301\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3082\u306e\u3092\u30af\u30ed\u30fc\u30b8\u30e3\u3068\u8a00\u3044\u307e\u3059\u3002\u30af\u30ed\u30fc\u30b8\u30e3\u3092\u7528\u3044\u308b\u3068\u624b\u7d9a\u304d\u3068\u30c7\u30fc\u30bf\u3092\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u3057\u3066\u6271\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<div class=\"memo \">\n<div class=\"memo_ttl dfont\"> MEMO<\/div>\n<p>\u3061\u306a\u307f\u306b\u30af\u30e9\u30b9\u3067\u3082\u30e1\u30bd\u30c3\u30c9\u3068\u5909\u6570\u306e\u30c7\u30fc\u30bf\u3092\u6301\u3061\u904b\u3079\u307e\u3059\u304c\u3001\u3061\u3087\u3063\u3068\u3057\u305f\u6570\u884c\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5834\u5408\u306f\u51e6\u7406\u3092\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u5316\u3059\u308b\u305f\u3081\u306bProc\u306a\u3069\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p><\/div>\n<h3 id=\"i-5\">\u30e9\u30e0\u30c0\u5f0f\u306b\u3064\u3044\u3066<\/h3>\n<p>\u30e9\u30e0\u30c0\u5f0f\u306f\u4e3b\u306b2\u901a\u308a\u306e\u4f5c\u308a\u65b9\u304c\u3042\u308a\u307e\u3059\u3002\u57fa\u672c\u7684\u306b\u306fProc\u3068\u4e00\u7dd2\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5428\" src=\"https:\/\/yumishin.com\/wp-content\/uploads\/2020\/05\/5.jpg\" alt=\"\" width=\"1920\" height=\"1080\" srcset=\"https:\/\/yumishin.com\/wp-content\/uploads\/2020\/05\/5.jpg 1920w, https:\/\/yumishin.com\/wp-content\/uploads\/2020\/05\/5-1536x864.jpg 1536w, https:\/\/yumishin.com\/wp-content\/uploads\/2020\/05\/5-940x529.jpg 940w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\"><\/p>\n<h4 id=\"i-6\">\u30e9\u30e0\u30c0\u5f0f\u3068Proc\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u9055\u3044<\/h4>\n<p>\u5f15\u6570\u306e\u30c1\u30a7\u30c3\u30af\u304c\u53b3\u5bc6\u306b\u306a\u308b\u3053\u3068\u3067\u3059\u3002Proc\u3060\u3063\u305f\u3089\u5f15\u6570\u306e\u500b\u6570\u304c\u9055\u3063\u3066\u3044\u3066\u3082\u30a8\u30e9\u30fc\u306f\u51fa\u307e\u305b\u3093\u304c\u3001\u30e9\u30e0\u30c0\u5f0f\u3060\u3068\u5f15\u6570\u306e\u500b\u6570\u304c\u5909\u308f\u3063\u3066\u3057\u307e\u3046\u3068\u3001\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3 id=\"i-7\">to_proc\u30e1\u30bd\u30c3\u30c9\u3092\u6301\u3063\u3066\u308b\u30e1\u30bd\u30c3\u30c9<\/h3>\n<p>\u5143\u3005to_proc\u30e1\u30bd\u30c3\u30c9\u3092\u6301\u3063\u3066\u3044\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u3042\u308a\u307e\u3059\u3002\u30e1\u30bd\u30c3\u30c9\u306b\u30d6\u30ed\u30c3\u30af\u3092\u6307\u5b9a\u3059\u308b\u969b\u306b\u300c\uff06\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u300d\u306e\u5f62\u5f0f\u3067\u5f15\u6570\u3092\u6e21\u3059\u3068Proc\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u751f\u6210\u3059\u308b\u305f\u3081\u306bto_proc\u304c\u81ea\u52d5\u3067\u547c\u3070\u308c\u307e\u3059\u3002<\/p>\n<p>\u3088\u304f\u4f7f\u308f\u308c\u308b\u306e\u306fSymbol#to_proc\u3067\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5431\" src=\"https:\/\/yumishin.com\/wp-content\/uploads\/2020\/05\/8.jpg\" alt=\"\" width=\"1920\" height=\"1080\" srcset=\"https:\/\/yumishin.com\/wp-content\/uploads\/2020\/05\/8.jpg 1920w, 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<\/p>\n","protected":false},"author":1,"featured_media":5432,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[272],"tags":[],"class_list":{"0":"post-5427","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-programing","8":"entry"},"_links":{"self":[{"href":"https:\/\/yumishin.com\/index.php?rest_route=\/wp\/v2\/posts\/5427","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yumishin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yumishin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yumishin.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yumishin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5427"}],"version-history":[{"count":1,"href":"https:\/\/yumishin.com\/index.php?rest_route=\/wp\/v2\/posts\/5427\/revisions"}],"predecessor-version":[{"id":5433,"href":"https:\/\/yumishin.com\/index.php?rest_route=\/wp\/v2\/posts\/5427\/revisions\/5433"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yumishin.com\/index.php?rest_route=\/wp\/v2\/media\/5432"}],"wp:attachment":[{"href":"https:\/\/yumishin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5427"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yumishin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5427"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yumishin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5427"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}