Implement the first part of N4258: 'Cleaning up noexcept in the Library'. This patch deals with swapping containers, and implements a more strict noexcept specification (a conforming extension) than the standard mandates.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@242056 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow
2015-07-13 20:04:56 +00:00
parent f301a117e1
commit 7d914d1bff
26 changed files with 1311 additions and 297 deletions

View File

@@ -156,25 +156,6 @@ private:
_LIBCPP_INLINE_VISIBILITY
void __move_assign_alloc(__split_buffer&, false_type) _NOEXCEPT
{}
_LIBCPP_INLINE_VISIBILITY
static void __swap_alloc(__alloc_rr& __x, __alloc_rr& __y)
_NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value||
__is_nothrow_swappable<__alloc_rr>::value)
{__swap_alloc(__x, __y, integral_constant<bool,
__alloc_traits::propagate_on_container_swap::value>());}
_LIBCPP_INLINE_VISIBILITY
static void __swap_alloc(__alloc_rr& __x, __alloc_rr& __y, true_type)
_NOEXCEPT_(__is_nothrow_swappable<__alloc_rr>::value)
{
using _VSTD::swap;
swap(__x, __y);
}
_LIBCPP_INLINE_VISIBILITY
static void __swap_alloc(__alloc_rr&, __alloc_rr&, false_type) _NOEXCEPT
{}
};
template <class _Tp, class _Allocator>
@@ -431,7 +412,7 @@ __split_buffer<_Tp, _Allocator>::swap(__split_buffer& __x)
_VSTD::swap(__begin_, __x.__begin_);
_VSTD::swap(__end_, __x.__end_);
_VSTD::swap(__end_cap(), __x.__end_cap());
__swap_alloc(__alloc(), __x.__alloc());
__swap_allocator(__alloc(), __x.__alloc());
}
template <class _Tp, class _Allocator>