{"title":"Lua\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411","blog_title":"\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7684\u611b\u60c5","author_url":"https://blog.hatena.ne.jp/E_Mattsan/","height":"190","url":"https://blog.emattsan.org/entry/20100104/1262605888","blog_url":"https://blog.emattsan.org/","author_name":"E_Mattsan","published":"2010-01-04 20:51:28","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.emattsan.org%2Fentry%2F20100104%2F1262605888\" title=\"Lua\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411 - \u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7684\u611b\u60c5\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog","image_url":"https://images-fe.ssl-images-amazon.com/images/I/51WgH8SY3hL._SL160_.jpg","description":"-- \u30af\u30e9\u30b9\u306e\u5b9a\u7fa9 Point = {} Point.__index = Point; -- \u3053\u3053\u304c\u30df\u30bd\u3001\u305d\u306e\uff11 function Point:new(x, y) local new_instance = { x_ = x or 0, y_ = y or 0 } setmetatable(new_instance, self) -- \u3053\u3053\u304c\u30df\u30bd\u3001\u305d\u306e\uff12 return new_instance end function Point:__unm() return Point:new(- self.x_, - self.y_) end function Point:__add(other) retu\u2026","version":"1.0","categories":["Lua"],"provider_url":"https://hatena.blog","type":"rich"}