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Constrain __invoke functions more accurately. This fixes http://llvm.org/bugs/show_bug.cgi?id=15861 .

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@181377 91177308-0d34-0410-b5e6-96231b3b80d8
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Howard Hinnant
2013-05-07 23:40:12 +00:00
parent 5f1286f574
commit ecc9742f27
3 changed files with 47 additions and 8 deletions
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12
include/__functional_base
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@@ -292,7 +292,8 @@ struct __weak_result_type<_Rp (_Cp::*)(_A1, _A2, _A3...) const volatile>
// bullets 1 and 2
template <class _Fp, class _A0, class ..._Args>
template <class _Fp, class _A0, class ..._Args,
class>
inline _LIBCPP_INLINE_VISIBILITY
auto
__invoke(_Fp&& __f, _A0&& __a0, _Args&& ...__args)
@@ -301,7 +302,8 @@ __invoke(_Fp&& __f, _A0&& __a0, _Args&& ...__args)
return (_VSTD::forward<_A0>(__a0).*__f)(_VSTD::forward<_Args>(__args)...);
}
template <class _Fp, class _A0, class ..._Args>
template <class _Fp, class _A0, class ..._Args,
class>
inline _LIBCPP_INLINE_VISIBILITY
auto
__invoke(_Fp&& __f, _A0&& __a0, _Args&& ...__args)
@@ -312,7 +314,8 @@ __invoke(_Fp&& __f, _A0&& __a0, _Args&& ...__args)
// bullets 3 and 4
template <class _Fp, class _A0>
template <class _Fp, class _A0,
class>
inline _LIBCPP_INLINE_VISIBILITY
auto
__invoke(_Fp&& __f, _A0&& __a0)
@@ -321,7 +324,8 @@ __invoke(_Fp&& __f, _A0&& __a0)
return _VSTD::forward<_A0>(__a0).*__f;
}
template <class _Fp, class _A0>
template <class _Fp, class _A0,
class>
inline _LIBCPP_INLINE_VISIBILITY
auto
__invoke(_Fp&& __f, _A0&& __a0)