{"height":"190","author_url":"https://blog.hatena.ne.jp/shinkufencer/","type":"rich","url":"https://shinkufencer.hateblo.jp/entry/2019/02/02/233000","width":"100%","image_url":null,"provider_name":"Hatena Blog","categories":["Ruby","Tips"],"title":"Ruby\u3067\u30e1\u30bd\u30c3\u30c9\u306e\u6700\u7d42\u884c\u306bif\u4fee\u98fe\u5b50(\u5f8c\u7f6eif)\u3092\u4f7f\u3063\u3066\u6761\u4ef6\u306b\u5f53\u3066\u306f\u307e\u3089\u306a\u3044\u5834\u5408\u306fnil","published":"2019-02-02 23:30:00","blog_title":"\u30b3\u30fc\u30c9\u65e5\u9032\u6708\u6b69","description":"\u8868\u984c\u306e\u901a\u308a\u30b7\u30ea\u30fc\u30ba\u3001\u76f4\u611f\u7684\u306b\u305d\u3046\u306a\u308b\u3093\u3058\u3083\u306d\uff1f\u3068\u601d\u3063\u3066\u3044\u3066\u3082\u8a66\u3057\u305f\u3053\u3068\u306a\u304b\u3063\u305f\u306e\u3067\u30e1\u30e2 \u74b0\u5883 $ ruby -v ruby 2.5.0p0 (2017-12-25 revision 61468) [x86_64-darwin18] \u4f8b test.rb \u3068\u3057\u3066\u4ee5\u4e0b\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u7528\u610f\u3059\u308b def one_of_true(target) true if target == 1 end pp one_of_true(1) pp one_of_true(0) \u4e0b\u8a18\u306e\u3088\u3046\u306a\u7d50\u679c\u306b\u306a\u308b $ ruby test.rb true nil \u539f\u7406 \u53f3\u8fba\u306e\u6761\u4ef6\u304c\u6210\u7acb\u3059\u308b\u6642\u306b\u3001\u5de6\u8fba\u306e\u5f0f\u3092\u8a55\u4fa1\u3057\u3066\u305d\u306e\u7d50\u679c\u3092\u8fd4\u3057\u307e\u3059\u3002 \u6761\u4ef6\u2026","author_name":"shinkufencer","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fshinkufencer.hateblo.jp%2Fentry%2F2019%2F02%2F02%2F233000\" title=\"Ruby\u3067\u30e1\u30bd\u30c3\u30c9\u306e\u6700\u7d42\u884c\u306bif\u4fee\u98fe\u5b50(\u5f8c\u7f6eif)\u3092\u4f7f\u3063\u3066\u6761\u4ef6\u306b\u5f53\u3066\u306f\u307e\u3089\u306a\u3044\u5834\u5408\u306fnil - \u30b3\u30fc\u30c9\u65e5\u9032\u6708\u6b69\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","blog_url":"https://shinkufencer.hateblo.jp/"}