diff options
Diffstat (limited to 'include/tuple')
| -rw-r--r-- | include/tuple | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/tuple b/include/tuple index aa4713faf06f..a52b934aaca7 100644 --- a/include/tuple +++ b/include/tuple @@ -929,6 +929,16 @@ public: void swap(tuple&) _NOEXCEPT {} }; +#ifdef __cpp_deduction_guides +// NOTE: These are not yet standardized, but are required to simulate the +// implicit deduction guide that should be generated had libc++ declared the +// tuple-like constructors "correctly" +template <class _Alloc, class ..._Args> +tuple(allocator_arg_t, const _Alloc&, tuple<_Args...> const&) -> tuple<_Args...>; +template <class _Alloc, class ..._Args> +tuple(allocator_arg_t, const _Alloc&, tuple<_Args...>&&) -> tuple<_Args...>; +#endif + template <class ..._Tp> inline _LIBCPP_INLINE_VISIBILITY typename enable_if |