{"author_url":"https://blog.hatena.ne.jp/gfx/","version":"1.0","image_url":null,"blog_title":"Islands in the byte stream (legacy)","width":"100%","type":"rich","description":"\u5148\u65e5\u300e\u521d\u3081\u3066\u306ePerl \u7b2c5\u7248\u300f\u3092\u5c11\u3057\u8aad\u3093\u3060\u3068\u3053\u308d\uff0c\u30b9\u30de\u30fc\u30c8\u30de\u30c3\u30c1\u6f14\u7b97\u5b50\u306b\u3064\u3044\u3066\u306e\u89e3\u8aac\u304c\u3042\u3063\u305f\u3002 perlsyn/Smart matching in detail\u3092\u307f\u308b\u3068\u975e\u5e38\u306b\u8907\u96d1\u306a\u5370\u8c61\u3092\u53d7\u3051\u308b\u304c\uff0c\u5b9f\u969b\u306b\u306f\u305d\u308c\u307b\u3069\u8907\u96d1\u3067\u306f\u306a\u3044\u3088\u3046\u3060\u3002\u3080\u3057\u308d\uff0c\u3046\u307e\u304f\u4f7f\u3046\u3068\u975e\u5e38\u306b\u4fbf\u5229\u3067\u3042\u308b\u3002\u305f\u3060\u3057\uff0c\u30b9\u30de\u30fc\u30c8\u30de\u30c3\u30c1\u6f14\u7b97\u5b50\u3092\u4f7f\u3046\u3068\u304d\u306f\uff0c\u5e38\u306b\u5909\u6570\u3068\u5b9a\u6570\u3092\u6bd4\u8f03\u3059\u308b\u3088\u3046\u306b\u3057\u305f\u307b\u3046\u304c\u3088\u3044\u3002\u4ee5\u4e0b\uff0c\u4f7f\u7528\u4f8b\u3068\u554f\u984c\u4f8b\u3092\u793a\u3059\u3002 #!perl -w use strict; use feature 'say'; my $foo; # $foo eq \"foo\" \u3068\u540c\u3058 # \u305f\u3060\u3057$foo\u304cundef\u3067\u3082\u8b66\u544a\u304c\u3067\u306a\u3044 say $foo ~~\u2026","provider_url":"https://hatena.blog","author_name":"gfx","blog_url":"https://gfx.hatenadiary.org/","categories":["Perl"],"published":"2009-11-10 15:11:49","url":"https://gfx.hatenadiary.org/entry/20091110/1257833509","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fgfx.hatenadiary.org%2Fentry%2F20091110%2F1257833509\" title=\"A note on smart match op: $var ~~ constant vs. $var1 ~~ $var2 - Islands in the byte stream (legacy)\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"A note on smart match op: $var ~~ constant vs. $var1 ~~ $var2","height":"190"}