[libc++][NFC] Add error messages to a couple of static_asserts in span

Summary:
Add error messages to a couple of static_asserts in span to match the
style used in the rest of the file. Also fix an extra paren typo in a
assert error message.

Committed on behalf of Jason Lovett.

Reviewers: ldionne

Subscribers: libcxx-commits

Differential Revision: https://reviews.llvm.org/D52841

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@343725 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Louis Dionne
2018-10-03 21:36:16 +00:00
parent 2bcd409cf4
commit 072260345c

View File

@@ -242,7 +242,7 @@ public:
constexpr span( _Container& __c,
enable_if_t<__is_span_compatible_container<_Container, _Tp>::value, nullptr_t> = nullptr)
: __data{_VSTD::data(__c)}
{ _LIBCPP_ASSERT(_Extent == _VSTD::size(__c), "size mismatch in span's constructor (container))"); }
{ _LIBCPP_ASSERT(_Extent == _VSTD::size(__c), "size mismatch in span's constructor (container)"); }
template <class _Container>
inline _LIBCPP_INLINE_VISIBILITY
@@ -440,7 +440,7 @@ public:
inline _LIBCPP_INLINE_VISIBILITY
constexpr span<element_type, _Count> first() const noexcept
{
static_assert(_Count >= 0);
static_assert(_Count >= 0, "Count must be >= 0 in span::first()");
_LIBCPP_ASSERT(_Count <= size(), "Count out of range in span::first()");
return {data(), _Count};
}
@@ -449,7 +449,7 @@ public:
inline _LIBCPP_INLINE_VISIBILITY
constexpr span<element_type, _Count> last() const noexcept
{
static_assert(_Count >= 0);
static_assert(_Count >= 0, "Count must be >= 0 in span::last()");
_LIBCPP_ASSERT(_Count <= size(), "Count out of range in span::last()");
return {data() + size() - _Count, _Count};
}