{"description":"\u6b21\u306f\u96c6\u5408\u306e\u8868\u73fe\u306b\u5165\u308a\u307e\u3059\u3002\u5fae\u5206\u3088\u308a\u307e\u3057\u304b\u306a\u3002 \u96c6\u5408\u306b\u3064\u3044\u3066 Ruby\u306e\u65b9\u304c\u3061\u3087\u3063\u3068\u308f\u304b\u308a\u3084\u3059\u3044\u3002 \u548c\u96c6\u5408 [1, 2, 3] | [3, 4, 5] #=> [1, 2, 3, 4, 5] \u7a4d\u96c6\u5408 [1, 2, 3] & [3, 4, 5] #=> [3] Ruby\u306f\u96c6\u5408\u306b\u5f37\u3044\u306d\u3002 \u7279\u5fb4 \u7279\u5fb4\u3068\u3057\u3066\u3001\u9806\u5e8f\u304c\u7121\u3044\u3063\u3066\u3053\u3068\u3002 [3, 4, 5] | [1, 2, 3] #=> [3, 4, 5, 1, 2] \u3046\u3093\u3001\u30d0\u30e9\u30d0\u30e9\u3002\u9806\u5e8f\u3065\u3051\u3089\u308c\u306a\u3044\u30ea\u30b9\u30c8\u3063\u3066\u3053\u3068\u304c\u3088\u304f\u308f\u304b\u3063\u305f\u3002 \u3067\u306f\u3001\u4f8b\u984c\u3067\u7a4d\u96c6\u5408\u3092\u4f5c\u3063\u305f\u306e\u3067\u3001\u7df4\u7fd2\u554f\u984c\u3067\u548c\u96c6\u5408\u3092\u4f5c\u3063\u3066\u307f\u308b\u3002 \u554f\u984c 2.59 \u7a4d\u96c6\u5408\u306e\u9006\u3092\u3084\u308c\u3070\u3044\u3044\u3002 (define (un\u2026","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","blog_title":"\u30dc\u30af\u30ce\u30b9","author_name":"tanakaBox","published":"2007-12-13 02:27:37","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fboxnos.hatenablog.com%2Fentry%2F20071213%2F1197480457\" title=\" SICP\u3092\u8aad\u3080(71) \u554f\u984c2.59 - 2.60 \u9806\u5e8f\u3065\u3051\u3089\u308c\u306a\u3044\u30ea\u30b9\u30c8\u3068\u3057\u3066\u306e\u96c6\u5408 - \u30dc\u30af\u30ce\u30b9\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://boxnos.hatenablog.com/","version":"1.0","height":"190","image_url":null,"author_url":"https://blog.hatena.ne.jp/tanakaBox/","type":"rich","categories":["Scheme"],"title":" SICP\u3092\u8aad\u3080(71) \u554f\u984c2.59 - 2.60 \u9806\u5e8f\u3065\u3051\u3089\u308c\u306a\u3044\u30ea\u30b9\u30c8\u3068\u3057\u3066\u306e\u96c6\u5408","width":"100%","url":"https://boxnos.hatenablog.com/entry/20071213/1197480457"}