{"id":9863,"date":"2024-05-02T16:57:44","date_gmt":"2024-05-02T07:57:44","guid":{"rendered":"https:\/\/yumishin.com\/?p=9863"},"modified":"2024-05-02T16:57:44","modified_gmt":"2024-05-02T07:57:44","slug":"with_index%e3%82%92%e4%bd%bf%e3%81%a3%e3%81%9f%e5%88%9d%e6%9c%9f%e5%80%a4%e3%81%ae%e8%a8%ad%e5%ae%9a","status":"publish","type":"post","link":"https:\/\/yumishin.com\/?p=9863","title":{"rendered":"with_index\u3092\u4f7f\u3063\u305f\u521d\u671f\u5024\u306e\u8a2d\u5b9a"},"content":{"rendered":"<p>\u3069\u3046\u3082\u3001\u5f15\u304d\u7d9a\u304d\u7af6\u30d7\u30ed\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306f\u3088\u304f\u4f7f\u3046each_with_index\u306b\u304a\u3044\u3066\u3001\u30e1\u30bd\u30c3\u30c9\u306eindex\u306e\u521d\u671f\u5024\u3092\u6307\u5b9a\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n<p>\u7d50\u8ad6\u306feach.with_index\u306e\u3088\u3046\u306b\u30e1\u30bd\u30c3\u30c9\u3092\u30c1\u30a7\u30fc\u30f3\u3057\u3066\u5f15\u6570\u306b\u521d\u671f\u5024\u3092\u6e21\u305b\u3070OK\u3067\u3059\u3002<\/p>\n<div class=\"pre_tag\"><span><i class=\"fa fa-code\"><\/i> \u30b3\u30fc\u30c9<\/span><\/p>\n<pre><code>\nirb(main):011* ['a', 'b', 'c'].each_with_index do |word, index| # each_with_index\u3092\u4f7f\u3063\u3066\u307e\u3059\u3002\nirb(main):012*   puts index\nirb(main):013&gt; end\n0\n1\n2\n=&gt; [\"a\", \"b\", \"c\"]\nirb(main):014* ['a', 'b', 'c'].each_with_index(1) do |word, index| # each_with_index\u306b\u5f15\u6570\u3092\u6e21\u3057\u3066\u3082\u30a8\u30e9\u30fc\u306b\u306a\u3063\u3061\u3083\u3046\nirb(main):015*   puts index\nirb(main):016&gt; end\n(irb):14:in `each': wrong number of arguments (given 1, expected 0) (ArgumentError)\nirb(main):017* ['a', 'b', 'c'].each.with_index(1) do |word, index| # each\u3068with_index\u3092\u30c1\u30a7\u30fc\u30f3\u3057\u3066\u3001\u5f15\u6570\u3092\u6e21\u3059\nirb(main):018*   puts index\nirb(main):019&gt; end\n1\n2\n3\n=&gt; [\"a\", \"b\", \"c\"]\nirb(main):020&gt; \n\n<\/code><\/pre>\n<\/div>\n<p>\u5c0f\u6280\u307f\u305f\u3044\u306a\u611f\u3058\u3067\u3059\u304c\u3001\u3084\u3063\u3066\u307f\u308b\u3068index + 1\u3068\u304b\u3084\u3089\u306a\u304f\u3066\u826f\u304f\u306a\u308a\u307e\u3059\uff01<\/p>\n<p>\u3067\u306f\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3069\u3046\u3082\u3001\u5f15\u304d\u7d9a\u304d\u7af6\u30d7\u30ed\u3057\u3066\u3044\u307e\u3059\u3002 \u4eca\u56de\u306f\u3088\u304f\u4f7f\u3046each_with_index\u306b\u304a\u3044\u3066\u3001\u30e1\u30bd\u30c3\u30c9\u306eindex\u306e\u521d\u671f\u5024\u3092\u6307\u5b9a\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002 \u7d50\u8ad6\u306feach.with_index\u306e\u3088\u3046\u306b\u30e1\u30bd\u30c3\u30c9\u3092\u30c1\u30a7\u30fc\u30f3\u3057\u3066\u5f15\u6570\u306b\u521d\u671f\u5024\u3092 &#8230; <\/p>\n","protected":false},"author":1,"featured_media":9867,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[256],"tags":[],"class_list":{"0":"post-9863","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-it","8":"entry"},"_links":{"self":[{"href":"https:\/\/yumishin.com\/index.php?rest_route=\/wp\/v2\/posts\/9863","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=9863"}],"version-history":[{"count":3,"href":"https:\/\/yumishin.com\/index.php?rest_route=\/wp\/v2\/posts\/9863\/revisions"}],"predecessor-version":[{"id":9866,"href":"https:\/\/yumishin.com\/index.php?rest_route=\/wp\/v2\/posts\/9863\/revisions\/9866"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yumishin.com\/index.php?rest_route=\/wp\/v2\/media\/9867"}],"wp:attachment":[{"href":"https:\/\/yumishin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9863"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yumishin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9863"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yumishin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9863"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}