subspan(size_type __offset, size_type __count = dynamic_extent) const noexcept
{
_LIBCPP_ASSERT(__offset <= size(), "span<T, N>::subspan(offset, count): offset out of range");
- _LIBCPP_ASSERT(__count <= size() || __count == dynamic_extent, "span<T, N>::subspan(offset, count): count out of range");
if (__count == dynamic_extent)
return {data() + __offset, size() - __offset};
_LIBCPP_ASSERT(__count <= size() - __offset, "span<T, N>::subspan(offset, count): offset + count out of range");
subspan(size_type __offset, size_type __count = dynamic_extent) const noexcept
{
_LIBCPP_ASSERT(__offset <= size(), "span<T>::subspan(offset, count): offset out of range");
- _LIBCPP_ASSERT(__count <= size() || __count == dynamic_extent, "span<T>::subspan(offset, count): count out of range");
if (__count == dynamic_extent)
return {data() + __offset, size() - __offset};
_LIBCPP_ASSERT(__count <= size() - __offset, "span<T>::subspan(offset, count): offset + count out of range");
TEST_LIBCPP_ASSERT_FAILURE(s.subspan(4), "span<T>::subspan(offset, count): offset out of range");
TEST_LIBCPP_ASSERT_FAILURE(s.subspan<4>(), "span<T>::subspan<Offset, Count>(): Offset out of range");
- TEST_LIBCPP_ASSERT_FAILURE(s.subspan(0, 4), "span<T>::subspan(offset, count): count out of range");
+ TEST_LIBCPP_ASSERT_FAILURE(s.subspan(0, 4), "span<T>::subspan(offset, count): offset + count out of range");
TEST_LIBCPP_ASSERT_FAILURE((s.subspan<0, 4>()), "span<T>::subspan<Offset, Count>(): Offset + Count out of range");
TEST_LIBCPP_ASSERT_FAILURE(s.subspan(1, 3), "span<T>::subspan(offset, count): offset + count out of range");
TEST_LIBCPP_ASSERT_FAILURE(s.subspan(4), "span<T, N>::subspan(offset, count): offset out of range");
// s.subspan<4>() caught at compile-time (tested in libcxx/test/std/containers/views/views.span/span.sub/subspan.verify.cpp)
- TEST_LIBCPP_ASSERT_FAILURE(s.subspan(0, 4), "span<T, N>::subspan(offset, count): count out of range");
+ TEST_LIBCPP_ASSERT_FAILURE(s.subspan(0, 4), "span<T, N>::subspan(offset, count): offset + count out of range");
// s.subspan<0, 4>() caught at compile-time (tested in libcxx/test/std/containers/views/views.span/span.sub/subspan.verify.cpp)
TEST_LIBCPP_ASSERT_FAILURE(s.subspan(1, 3), "span<T, N>::subspan(offset, count): offset + count out of range");