{"provider_url":"https://hatena.blog","type":"rich","description":"erl_eval\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u306f\u30b5\u30f3\u30d7\u30eb\u304c\u7121\u3044\u306e\u3067\u56f0\u3063\u3066\u3044\u305f\u304c\u30012D in erlang\u3092\u8aad\u3093\u3067\u30a4\u30e1\u30fc\u30b8\u304c\u3064\u304b\u3081\u305f\u3002 1> {ok, Tokens, _}=erl_scan:string(\"1 + 1.\"). {ok,[{integer,1,1},{'+',1},{integer,1,1},{dot,1}],1} 2> {ok,[Expression]} = erl_parse:parse_exprs(Tokens). {ok,[{op,1,'+',{integer,1,1},{integer,1,1}}]} 3> erl_eval:expr(Expression,erl_eva\u2026","author_url":"https://blog.hatena.ne.jp/kgbu/","blog_url":"https://kgbu.hateblo.jp/","width":"100%","title":"Erlang\u306eeval\u3063\u3066\u3053\u3046\u3084\u308b\u306e\u304b","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkgbu.hateblo.jp%2Fentry%2F20080820%2F1219252148\" title=\"Erlang\u306eeval\u3063\u3066\u3053\u3046\u3084\u308b\u306e\u304b - kgbu&#39;s diary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2008-08-20 02:09:08","provider_name":"Hatena Blog","blog_title":"kgbu's diary","version":"1.0","categories":["Erlang"],"image_url":null,"author_name":"kgbu","height":"190","url":"https://kgbu.hateblo.jp/entry/20080820/1219252148"}