{"blog_title":"Perl\u5165\u9580\u30bc\u30df","author_url":"https://blog.hatena.ne.jp/perlcodesample/","url":"https://perlcodesample.hatenadiary.jp/entry/20080704/1215181713","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fperlcodesample.hatenadiary.jp%2Fentry%2F20080704%2F1215181713\" title=\"\u30b5\u30d6\u30eb\u30fc\u30c1\u30f3\u306e\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9 - Perl\u5165\u9580\u30bc\u30df\" 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://perlcodesample.hatenadiary.jp/","categories":[],"width":"100%","type":"rich","image_url":null,"provider_name":"Hatena Blog","author_name":"perlcodesample","published":"2008-07-04 23:28:33","provider_url":"https://hatena.blog","height":"190","description":"Perl \u203a \u30b5\u30d6\u30eb\u30fc\u30c1\u30f3 \u203a here \u30b5\u30d6\u30eb\u30fc\u30c1\u30f3\u306e\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u3068\u306f\u3001\u30b5\u30d6\u30eb\u30fc\u30c1\u30f3\u3092\u6307\u3057\u793a\u3059\u3082\u306e\u306e\u3053\u3068\u3067\u3059\u3002 # \u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u3092\u4f5c\u6210 my $twice_ref = \\&twice; # \u30c7\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u3057\u3066\u547c\u3073\u51fa\u3057 my $twice_num = $twice_ref->($num); sub twice { return $_[0] * 2; } &twice\u3067\u3001\u30b5\u30d6\u30eb\u30fc\u30c1\u30f3\u305d\u306e\u3082\u306e\u3092\u8868\u73fe\u3057\u307e\u3059\u3002( @\u304c\u3064\u3051\u3089\u308c\u308b\u3068\u914d\u5217\u3001%\u304c\u3064\u3051\u3089\u308c\u308b\u3068\u30cf\u30c3\u30b7\u30e5\u3068\u3044\u3046\u306e\u3068\u540c\u3058\u3088\u3046\u306b\u3001&\u304c\u3064\u3051\u3089\u308c\u308b\u3068\u30b5\u30d6\u30eb\u30fc\u30c1\u30f3\u3092\u8868\u3057\u307e\u3059\u3002) \u666e\u6bb5\u306f\u3001twice($num) \u306e\u3088\u3046\u306b\u30b5\u30d6\u30eb\u30fc\u30c1\u30f3\u3092\u547c\u3073\u51fa\u3057\u3066\u3044\u307e\u3059\u304c\u3001&t\u2026","title":"\u30b5\u30d6\u30eb\u30fc\u30c1\u30f3\u306e\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9"}