{"published":"2010-05-07 00:00:00","type":"rich","version":"1.0","width":"100%","author_url":"https://blog.hatena.ne.jp/rightgo09/","provider_name":"Hatena Blog","categories":["Perl"],"author_name":"rightgo09","title":"overload\u3067\u30de\u30b8\u30c3\u30af\u30c7\u30af\u30ea\u30e1\u30f3\u30c8\u305d\u306e\uff13","url":"https://r9.hateblo.jp/entry/20100507/p1","blog_title":"Perl\u65e5\u8a18","height":"190","blog_url":"https://r9.hateblo.jp/","description":"\u308f\u304b\u3063\u305f\u3002 fallback => 1 \u3067\u3042\u3068\u306f\u3088\u304d\u306b\u8a08\u3089\u3063\u3066\u304f\u308c\u308b\u306e\u306a\u3089\u307b\u3093\u3068\u306b\u5fc5\u8981\u306a\u3068\u3053\u3060\u3051\u66f8\u3051\u3070\u3044\u3044\u3093\u3060\u3002 \u5b9f\u969b\u306b\u6587\u5b57\u5217\u4e00\u6587\u5b57\u524d\u51e6\u7406\u30b5\u30d6\u30eb\u30fc\u30c1\u30f3\u306f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0Perl Vol.1\u304b\u3089\u3002 MagicDecrement.pm package MagicDecrement; use strict; use warnings; use Scalar::Util qw/ looks_like_number /; use overload q(--) => \\&decrement, q(\"\") => sub { $_[0]->{val} }, fallback => 1, ; sub import\u2026","image_url":null,"provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fr9.hateblo.jp%2Fentry%2F20100507%2Fp1\" title=\"overload\u3067\u30de\u30b8\u30c3\u30af\u30c7\u30af\u30ea\u30e1\u30f3\u30c8\u305d\u306e\uff13 - Perl\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}