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constexpr bind_first

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This commit is contained in:
Jason Turner 2017-08-22 10:03:26 -06:00
parent 535c0344b7
commit b51b52dea9
2 changed files with 12 additions and 12 deletions
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2
include/chaiscript/dispatchkit/any.hpp
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@ -82,7 +82,7 @@ namespace chaiscript {
public: public:
// construct/copy/destruct // construct/copy/destruct
Any() noexcept = default; constexpr Any() noexcept = default;
Any(Any &&) = default; Any(Any &&) = default;
Any &operator=(Any &&t_any) = default; Any &operator=(Any &&t_any) = default;

22
include/chaiscript/dispatchkit/bind_first.hpp
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@ -31,25 +31,25 @@ namespace chaiscript
} }
template<typename O, typename Ret, typename P1, typename ... Param> template<typename O, typename Ret, typename P1, typename ... Param>
auto bind_first(Ret (*f)(P1, Param...), O&& o) constexpr auto bind_first(Ret (*f)(P1, Param...), O&& o)
{ {
return [f, o](Param...param) -> Ret { return [f, o = std::forward<O>(o)](Param...param) -> Ret {
return f(std::forward<O>(o), std::forward<Param>(param)...); return f(o, std::forward<Param>(param)...);
}; };
} }
template<typename O, typename Ret, typename Class, typename ... Param> template<typename O, typename Ret, typename Class, typename ... Param>
auto bind_first(Ret (Class::*f)(Param...), O&& o) constexpr auto bind_first(Ret (Class::*f)(Param...), O&& o)
{ {
return [f, o](Param...param) -> Ret { return [f, o = std::forward<O>(o)](Param...param) -> Ret {
return (get_pointer(o)->*f)(std::forward<Param>(param)...); return (get_pointer(o)->*f)(std::forward<Param>(param)...);
}; };
} }
template<typename O, typename Ret, typename Class, typename ... Param> template<typename O, typename Ret, typename Class, typename ... Param>
auto bind_first(Ret (Class::*f)(Param...) const, O&& o) constexpr auto bind_first(Ret (Class::*f)(Param...) const, O&& o)
{ {
return [f, o](Param...param) -> Ret { return [f, o = std::forward<O>(o)](Param...param) -> Ret {
return (get_pointer(o)->*f)(std::forward<Param>(param)...); return (get_pointer(o)->*f)(std::forward<Param>(param)...);
}; };
@ -58,22 +58,22 @@ namespace chaiscript
template<typename O, typename Ret, typename P1, typename ... Param> template<typename O, typename Ret, typename P1, typename ... Param>
auto bind_first(const std::function<Ret (P1, Param...)> &f, O&& o) auto bind_first(const std::function<Ret (P1, Param...)> &f, O&& o)
{ {
return [f, o](Param...param) -> Ret { return [f, o = std::forward<O>(o)](Param...param) -> Ret {
return f(o, std::forward<Param>(param)...); return f(o, std::forward<Param>(param)...);
}; };
} }
template<typename F, typename O, typename Ret, typename Class, typename P1, typename ... Param> template<typename F, typename O, typename Ret, typename Class, typename P1, typename ... Param>
auto bind_first(const F &fo, O&& o, Ret (Class::*f)(P1, Param...) const) constexpr auto bind_first(const F &fo, O&& o, Ret (Class::*f)(P1, Param...) const)
{ {
return [fo, o, f](Param ...param) -> Ret { return [fo, o = std::forward<O>(o), f](Param ...param) -> Ret {
return (fo.*f)(o, std::forward<Param>(param)...); return (fo.*f)(o, std::forward<Param>(param)...);
}; };
} }
template<typename F, typename O> template<typename F, typename O>
auto bind_first(const F &f, O&& o) constexpr auto bind_first(const F &f, O&& o)
{ {
return bind_first(f, std::forward<O>(o), &F::operator()); return bind_first(f, std::forward<O>(o), &F::operator());
} }