{"provider_url":"https://hatena.blog","type":"rich","categories":["\u6280\u8853"],"width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhiratara.hatenadiary.jp%2Fentry%2F20060612%2F1150122532\" title=\"\u30b3\u30f3\u30d1\u30a4\u30eb\u6e08\u306e\u95a2\u6570\u3092\u6d88\u3059 - Pixel Pedals of Tomakomai\" 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://hiratara.hatenadiary.jp/","version":"1.0","title":"\u30b3\u30f3\u30d1\u30a4\u30eb\u6e08\u306e\u95a2\u6570\u3092\u6d88\u3059","author_url":"https://blog.hatena.ne.jp/hiratara/","provider_name":"Hatena Blog","published":"2006-06-12 23:28:52","description":"\u3068\u3053\u308d\u3067\u3001\u524d\u306e\u30a8\u30f3\u30c8\u30ea\u306eperlsub\u3067\u3001\u6c17\u306b\u306a\u308b\u4e00\u6587\u3092\u898b\u3064\u3051\u305f\u306e\u3067\u3059\u3002 Note, however, that the ``&'' is NOT optional when you're just naming the subroutine, such as when it's used as an argument to defined() or undef(). \u3048\u3001defined\u3068undef\u3063\u3066\u3001\u95a2\u6570\u3092\u5f15\u6570\u306b\u6e21\u305b\u308b\u306e\uff01\uff1f \u65e9\u901f\u8a66\u3057\u3066\u307f\u308b\u3068\u30fb\u30fb\u30fb\u3002 use strict; sub test{ die \"defined\u3084undef\u3067\u306f\u547c\u3073\u51fa\u3055\u308c\u307e\u305b\u3093\"; } print defined &\u2026","blog_title":"Pixel Pedals of Tomakomai","image_url":null,"url":"https://hiratara.hatenadiary.jp/entry/20060612/1150122532","height":"190","author_name":"hiratara"}