diff options
Diffstat (limited to 'include/forward_list')
| -rw-r--r-- | include/forward_list | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/include/forward_list b/include/forward_list index ce9a4b1bca90..879f2d3ce087 100644 --- a/include/forward_list +++ b/include/forward_list @@ -87,7 +87,7 @@ public: reference front(); const_reference front() const; - template <class... Args> reference emplace_front(Args&&... args); + template <class... Args> reference emplace_front(Args&&... args); // reference in C++17 void push_front(const value_type& v); void push_front(value_type&& v); @@ -747,7 +747,11 @@ public: #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES #ifndef _LIBCPP_HAS_NO_VARIADICS +#if _LIBCPP_STD_VER > 14 template <class... _Args> reference emplace_front(_Args&&... __args); +#else + template <class... _Args> void emplace_front(_Args&&... __args); +#endif #endif void push_front(value_type&& __v); #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES @@ -1103,7 +1107,11 @@ forward_list<_Tp, _Alloc>::assign(initializer_list<value_type> __il) template <class _Tp, class _Alloc> template <class... _Args> +#if _LIBCPP_STD_VER > 14 typename forward_list<_Tp, _Alloc>::reference +#else +void +#endif forward_list<_Tp, _Alloc>::emplace_front(_Args&&... __args) { __node_allocator& __a = base::__alloc(); @@ -1113,7 +1121,9 @@ forward_list<_Tp, _Alloc>::emplace_front(_Args&&... __args) _VSTD::forward<_Args>(__args)...); __h->__next_ = base::__before_begin()->__next_; base::__before_begin()->__next_ = __h.release(); +#if _LIBCPP_STD_VER > 14 return base::__before_begin()->__next_->__value_; +#endif } #endif // _LIBCPP_HAS_NO_VARIADICS |