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Implement P0777: Treating unnecessay decay

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@324398 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow
2018-02-06 20:56:55 +00:00
parent 68b20ca4d9
commit 52f9ca28a3
4 changed files with 12 additions and 14 deletions
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8
include/tuple
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@@ -211,7 +211,7 @@ public:
template <class _Tp,
class = typename enable_if<
__lazy_and<
__lazy_not<is_same<typename decay<_Tp>::type, __tuple_leaf>>
__lazy_not<is_same<typename __uncvref<_Tp>::type, __tuple_leaf>>
, is_constructible<_Hp, _Tp>
>::value
>::type
@@ -293,7 +293,7 @@ public:
template <class _Tp,
class = typename enable_if<
__lazy_and<
__lazy_not<is_same<typename decay<_Tp>::type, __tuple_leaf>>
__lazy_not<is_same<typename __uncvref<_Tp>::type, __tuple_leaf>>
, is_constructible<_Hp, _Tp>
>::value
>::type
@@ -1383,7 +1383,7 @@ constexpr decltype(auto) apply(_Fn && __f, _Tuple && __t)
_LIBCPP_NOEXCEPT_RETURN(
_VSTD::__apply_tuple_impl(
_VSTD::forward<_Fn>(__f), _VSTD::forward<_Tuple>(__t),
typename __make_tuple_indices<tuple_size_v<decay_t<_Tuple>>>::type{})
typename __make_tuple_indices<tuple_size_v<remove_reference_t<_Tuple>>>::type{})
)
template <class _Tp, class _Tuple, size_t... _Idx>
@@ -1398,7 +1398,7 @@ inline _LIBCPP_INLINE_VISIBILITY
constexpr _Tp make_from_tuple(_Tuple&& __t)
_LIBCPP_NOEXCEPT_RETURN(
_VSTD::__make_from_tuple_impl<_Tp>(_VSTD::forward<_Tuple>(__t),
typename __make_tuple_indices<tuple_size_v<decay_t<_Tuple>>>::type{})
typename __make_tuple_indices<tuple_size_v<remove_reference_t<_Tuple>>>::type{})
)
#undef _LIBCPP_NOEXCEPT_RETURN