microsoft/GSL
1
0
Fork 1
mirror of https://github.com/microsoft/GSL.git synced 2026-05-04 11:44:25 +02:00
Code Issues Packages Projects Releases Wiki Activity

addressing a few more comments and adding gsl-std span compatibility tests

Browse Source
This commit is contained in:
Jordan Maples [MSFT]
2020-02-14 15:24:46 -08:00
parent 926aaeca56
commit 41ae38f197
5 changed files with 1080 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/gsl/span
+7 -8
View File
@@ -105,19 +105,19 @@ namespace details
};
template <class T>
struct is_std_array : public is_std_array_oracle<std::remove_cv_t<T>>
struct is_std_array : is_std_array_oracle<std::remove_cv_t<T>>
{
};
template <std::size_t From, std::size_t To>
struct is_allowed_extent_conversion
: public std::integral_constant<bool, From == To || To == gsl::dynamic_extent>
: std::integral_constant<bool, From == To || To == gsl::dynamic_extent>
{
};
template <class From, class To>
struct is_allowed_element_type_conversion
: public std::integral_constant<bool, std::is_convertible<From (*)[], To (*)[]>::value>
: std::integral_constant<bool, std::is_convertible<From (*)[], To (*)[]>::value>
{
};
@@ -460,13 +460,12 @@ public:
: storage_(KnownNotNull{arr.data()}, details::extent_type<N>())
{}
// NB: the SFINAE here uses .data() as a incomplete/imperfect proxy for the requirement
// NB: the SFINAE here uses .data() as an incomplete/imperfect proxy for the requirement
// on Container to be a contiguous sequence container.
template <class Container,
class = std::enable_if_t<
!details::is_span<Container>::value && !details::is_std_array<Container>::value &&
std::is_convertible<typename Container::pointer, pointer>::value &&
std::is_convertible<pointer, typename Container::pointer>::value &&
std::is_convertible<decltype(std::declval<Container&>().data()), pointer>::value>>
constexpr span(Container& cont) noexcept : span(cont.data(), cont.size())
{}
@@ -671,7 +670,7 @@ private:
// The rest is needed to remove unnecessary null check
// in subspans and constructors from arrays
constexpr span(KnownNotNull ptr, size_type count) : storage_(ptr, count) {}
constexpr span(KnownNotNull ptr, size_type count) noexcept : storage_(ptr, count) {}
template <std::size_t CallerExtent>
class subspan_selector
@@ -680,7 +679,7 @@ private:
template <std::size_t CallerExtent>
constexpr span<element_type, dynamic_extent> make_subspan(size_type offset, size_type count,
subspan_selector<CallerExtent>) const
subspan_selector<CallerExtent>) const noexcept
{
const span<element_type, dynamic_extent> tmp(*this);
return tmp.subspan(offset, count);
@@ -690,7 +689,7 @@ private:
GSL_SUPPRESS(bounds.1) // NO-FORMAT: attribute
// clang-format on
constexpr span<element_type, dynamic_extent>
make_subspan(size_type offset, size_type count, subspan_selector<dynamic_extent>) const
make_subspan(size_type offset, size_type count, subspan_selector<dynamic_extent>) const noexcept
{
Expects(size() >= offset);