{"width":"100%","version":"1.0","height":"190","provider_url":"https://hatena.blog","blog_url":"https://ztbuz.hateblo.jp/","url":"https://ztbuz.hateblo.jp/entry/2013/12/29/031918","provider_name":"Hatena Blog","description":"Ruby\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u66f8\u304d\u65b9\u304c\u3042\u308b\u3089\u3057\u3044\u3067\u3059\u3002 a ||= b \u3053\u308c\u306for equal\u6f14\u7b97\u5b50\u3068\u547c\u3076\u3089\u3057\u3044\u306e\u3067\u3059\u304c\u3001\u3053\u308c\u306b\u3064\u3044\u3066\u52d5\u304d\u306a\u3069\u3092\u8abf\u3079\u3066\u307f\u305f\u306e\u3067\u30e1\u30e2\u3057\u307e\u3059\u3002 or equal\u6f14\u7b97\u5b50\u306b\u3064\u3044\u3066 \u30b3\u30fc\u30c9\u4f8b \u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u306b\u3064\u3044\u3066\u3001or_equal(name)\u306e\u90e8\u5206\u304c\u305d\u308c\u306b\u3042\u305f\u308a\u307e\u3059\u3002 \u3053\u308c\u306f\u3064\u307e\u308a\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570@name\u304c\u5b58\u5728\u3059\u308c\u3070\u305d\u308c\u3092\u8fd4\u3057\u3001\u306a\u3051\u308c\u3070\u5f15\u6570\u306ename\u3092\u8fd4\u3059\u3001\u3068\u3044\u3046\u52d5\u304d\u306b\u306a\u308a\u307e\u3059\u3002 class Foo def name=(name) @name = name end def or_equal(name) @name ||= name end end \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570\u304c\u306a\u3044\u5834\u2026","title":"Ruby\u306eor equal\u6f14\u7b97\u5b50\u306e\u4f7f\u3044\u65b9","published":"2013-12-29 03:19:18","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fztbuz.hateblo.jp%2Fentry%2F2013%2F12%2F29%2F031918\" title=\"Ruby\u306eor equal\u6f14\u7b97\u5b50\u306e\u4f7f\u3044\u65b9 - ztbuz@dev\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"categories":[],"type":"rich","author_url":"https://blog.hatena.ne.jp/ztbuz/","blog_title":"ztbuz@dev","author_name":"ztbuz"}