{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fdayflower.hatenablog.com%2Fentry%2F20060925%2F1159175436\" title=\" bool \u306e overload - daily dayflower\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":" bool \u306e overload","author_name":"dayflower","blog_url":"https://dayflower.hatenablog.com/","author_url":"https://blog.hatena.ne.jp/dayflower/","version":"1.0","categories":["perl"],"provider_name":"Hatena Blog","width":"100%","type":"rich","published":"2006-09-25 18:10:36","blog_title":"daily dayflower","provider_url":"https://hatena.blog","url":"https://dayflower.hatenablog.com/entry/20060925/1159175436","height":"190","description":"Boolean, string and numeric conversion 'bool', '\"\"', '0+', If one or two of these operations are not overloaded, the remaining ones can be used instead. bool is used in the flow control operators (like while) and for the ternary ?: operation. These functions can return any arbitrary Perl value. If t\u2026","image_url":null}