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clang chokes on statically casted constant function expressions, thanks clang

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ThePhD 2018-02-22 18:33:40 -05:00
parent 24d335085c
commit e8a8da0b29
1 changed files with 5 additions and 0 deletions
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5
sol/usertype_core.hpp
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@ -151,10 +151,15 @@ namespace sol {
template <typename T, typename Regs, meta::enable<meta::has_size<T>> = meta::enabler> template <typename T, typename Regs, meta::enable<meta::has_size<T>> = meta::enabler>
inline void make_length_op(Regs& l, int& index) { inline void make_length_op(Regs& l, int& index) {
const char* name = to_string(meta_function::length).c_str();
#ifdef __clang__
l[index] = luaL_Reg{ name, &c_call<decltype(&T::size), &T::size> };
#else
typedef decltype(std::declval<T>().size()) R; typedef decltype(std::declval<T>().size()) R;
using sz_func = R(T::*)()const; using sz_func = R(T::*)()const;
const char* name = to_string(meta_function::length).c_str(); const char* name = to_string(meta_function::length).c_str();
l[index] = luaL_Reg{ name, &c_call<decltype(static_cast<sz_func>(&T::size)), static_cast<sz_func>(&T::size)> }; l[index] = luaL_Reg{ name, &c_call<decltype(static_cast<sz_func>(&T::size)), static_cast<sz_func>(&T::size)> };
#endif
++index; ++index;
} }