{"blog_url":"https://mtoyoshi.hateblo.jp/","author_name":"mtoyoshi","width":"100%","title":"Set#join","provider_url":"https://hatena.blog","image_url":null,"version":"1.0","categories":["ruby"],"type":"rich","author_url":"https://blog.hatena.ne.jp/mtoyoshi/","blog_title":"mtoyoshi\u958b\u767a\u30e1\u30e2","url":"https://mtoyoshi.hateblo.jp/entry/20100416/1271423139","published":"2010-04-16 22:05:39","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmtoyoshi.hateblo.jp%2Fentry%2F20100416%2F1271423139\" title=\"Set#join - mtoyoshi\u958b\u767a\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","description":"ruby\u306eSet\u306fArray\u307f\u305f\u304fjoin\u3063\u3066\u306a\u3044\u3093\u3084\u30fc\u3002\u3002\u6b8b\u5ff5\uff01 \u30fb\u30fb\u30fb\u3068\u601d\u3063\u305f\u3089\u3001\u3053\u3093\u306a\u98a8\u306b\u51fa\u6765\u305f\u3002 set = Set.new set << \"hello\" << \"world\" puts set.to_a.join(\", \") # hello, world","provider_name":"Hatena Blog"}