3. 返回点最好从超负荷装置上匹配,无须打电话
原文：Retrieve pointer to best match from overload set without calling
原文：Retrieve pointer to best match from overload set without calling
For various reasons I need to use 2 phase construction, furthermore the last phase is deferred and performed by another thread, some context: ... #define BOOST_PP_LOCAL_MACRO(n) template &...