{"url":"https://haru-s.hatenablog.com/entry/20090308/1236495494","height":"190","published":"2009-03-08 15:58:14","version":"1.0","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/haru-s/","width":"100%","description":"auto interface\u306b\u3064\u3044\u3066\u8abf\u3079\u3088\u3046\u3068\u601d\u3063\u305f\u3089\u4e0b\u306e\u30b3\u30fc\u30c9\u3067dmd\u304c\u6b7b\u3093\u3060\uff0e import std.stdio; interface A {} void main() { A x; writefln(x); } C:\\D\\dmd\\windows\\bin\\..\\..\\src\\phobos\\std\\format.d(2050): Error: no property 'toString' for type 'a.A' C:\\D\\dmd\\windows\\bin\\..\\..\\src\\phobos\\std\\format.d(2051): template std.stdio.PrivateFile\u2026","author_name":"haru-s","type":"rich","blog_url":"https://haru-s.hatenablog.com/","blog_title":"...ing logging 4.0","image_url":null,"provider_name":"Hatena Blog","title":"writefln\u3068interface - dmd2.026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fharu-s.hatenablog.com%2Fentry%2F20090308%2F1236495494\" title=\"writefln\u3068interface - dmd2.026 - ...ing logging 4.0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":["D\u8a00\u8a9e"]}