boost::function_types::parameter_types 怎麼做的
boost::function_types::parameter_types<int(int,double)>::type
可以取到 mpl::vector2<int, double>
實在很好奇他是怎麼做到的
我看了一下 source code 但是看不出個毛 /_\
有沒有前輩可以稍微提示一下....
一般的 traits 我都還可以想像他是怎麼做的，
但是把函數的參數串列取出來到底是怎麼弄的 T_T
--
To iterate is human, to recurse, divine.
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