{"version":"1.0","height":"190","author_name":"hiratara","url":"https://hiratara.hatenadiary.jp/entry/20070516/1179317981","published":"2007-05-16 21:19:41","provider_name":"Hatena Blog","categories":["\u6280\u8853"],"blog_url":"https://hiratara.hatenadiary.jp/","description":"use fields \u306eperldoc\u306b\u306f\u3053\u3046\u66f8\u3044\u3066\u307e\u3059\u3002 Field names that start with an underscore character are made private to the class and are not visible to subclasses. \u3053\u308c\u3067Private\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u4f5c\u308c\u308b\uff01\uff1f \u3068\u601d\u3063\u305f\u3089\u3001\u5fae\u5999\u306b\u9055\u3044\u307e\u3059\u3002 use strict; use warnings; { package MyBase; use fields qw(name _age); sub new{ my $class = shift; my __PACKAGE__ $se\u2026","image_url":null,"blog_title":"Pixel Pedals of Tomakomai","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhiratara.hatenadiary.jp%2Fentry%2F20070516%2F1179317981\" title=\"use fields \u306b\u3088\u308bPrivate\u306a\u30d5\u30a3\u30fc\u30eb\u30c9 - 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>","title":"use fields \u306b\u3088\u308bPrivate\u306a\u30d5\u30a3\u30fc\u30eb\u30c9","type":"rich","width":"100%","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/hiratara/"}