{"description":"\u6700\u8fd1\u3001\u7a7a\u6587\u5b57\u5217\u306e\u30c1\u30a7\u30c3\u30af\u306e\u969b\u306b\u3001\u9762\u5012\u81ed\u304f\u3066 $_ eq '' \u306e\u4ee3\u308f\u308a\u306b\u3001\u7a7a\u6587\u5b57\u5217\u3060\u3068 length \u304c\u507d\u3092\u8fd4\u3059\u3053\u3068\u3092\u5229\u7528\u3057\u3066\u3001\u81ea\u5206\u3057\u304b\u898b\u306a\u3044\u3088\u3046\u306a\u30bd\u30fc\u30b9\u3067\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u66f8\u304f\u3053\u3068\u304c\u591a\u3044\u306e\u3067\u3059\u304c\u3001 return unless defined and length; \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u7684\u306b\u306f\u3001$_ ne '' \u3068\u6bd4\u3079\u3066\u3069\u3046\u306a\u3093\u3060\u308d\u3046\u3068\u601d\u3063\u3066\u8abf\u3079\u3066\u307f\u307e\u3057\u305f\u3002 #!/usr/bin/perl use strict; use warnings; use Benchmark ':all'; my $empty = ''; my $not_empty = 'blah'; cmpthese(timethese(1\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fcraftworks.hatenadiary.org%2Fentry%2F20090805%2F1249479565\" title=\"\u7a7a\u6587\u5b57\u5217\u6bd4\u8f03\u306f eq/ne \u3068 length \u306e\u3069\u3063\u3061\u304c\u901f\u3044\u304b - Craftworks Tech Blog - Branch\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/Craftworks/","type":"rich","height":"190","categories":["perl","benchmark"],"width":"100%","image_url":null,"author_name":"Craftworks","blog_title":"Craftworks Tech Blog - Branch","provider_url":"https://hatena.blog","published":"2009-08-05 22:39:25","blog_url":"https://craftworks.hatenadiary.org/","provider_name":"Hatena Blog","url":"https://craftworks.hatenadiary.org/entry/20090805/1249479565","title":"\u7a7a\u6587\u5b57\u5217\u6bd4\u8f03\u306f eq/ne \u3068 length \u306e\u3069\u3063\u3061\u304c\u901f\u3044\u304b","version":"1.0"}