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Bug 1891497 - Add mozilla::Span constructor for EnumeratedArray. r=glandium

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Just like the mozilla::Array/std::array ones.

Differential Revision: https://phabricator.services.mozilla.com/D207389
This commit is contained in:
Emilio Cobos Álvarez 2024-04-15 21:17:51 +00:00
parent 0e73760a15
commit 6d4e823315
2 changed files with 27 additions and 1 deletions
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26
mfbt/Span.h
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@ -41,6 +41,9 @@ namespace mozilla {
template <typename T, size_t Length>
class Array;
template <typename Enum, typename T, size_t Length>
class EnumeratedArray;
// Stuff from gsl_util
// narrow_cast(): a searchable way to do narrowing casts of values
@ -487,6 +490,23 @@ class Span {
const mozilla::Array<std::remove_const_t<element_type>, N>& aArr)
: storage_(&aArr[0], span_details::extent_type<N>()) {}
/**
* Constructor for mozilla::EnumeratedArray.
*/
template <size_t N, class Enum,
class ArrayElementType = std::remove_const_t<element_type>>
constexpr MOZ_IMPLICIT Span(
mozilla::EnumeratedArray<Enum, ArrayElementType, N>& aArr)
: storage_(&aArr[Enum(0)], span_details::extent_type<N>()) {}
/**
* Constructor for const mozilla::EnumeratedArray.
*/
template <size_t N, class Enum>
constexpr MOZ_IMPLICIT Span(const mozilla::EnumeratedArray<
Enum, std::remove_const_t<element_type>, N>& aArr)
: storage_(&aArr[Enum(0)], span_details::extent_type<N>()) {}
/**
* Constructor for mozilla::UniquePtr holding an array and length.
*/
@ -852,6 +872,12 @@ Span(mozilla::Array<T, Extent>&) -> Span<T, Extent>;
template <typename T, size_t Extent>
Span(const mozilla::Array<T, Extent>&) -> Span<const T, Extent>;
template <typename Enum, typename T, size_t Extent>
Span(mozilla::EnumeratedArray<Enum, T, Extent>&) -> Span<T, Extent>;
template <typename Enum, typename T, size_t Extent>
Span(const mozilla::EnumeratedArray<Enum, T, Extent>&) -> Span<const T, Extent>;
// [Span.comparison], Span comparison operators
template <class ElementType, size_t FirstExtent, size_t SecondExtent>
inline constexpr bool operator==(const Span<ElementType, FirstExtent>& l,

2
widget/cocoa/nsChildView.mm
View File

@ -1760,7 +1760,7 @@ static void MakeRegionsNonOverlapping(Span<LayoutDeviceIntRegion> aRegions) {
void nsChildView::UpdateVibrancy(
const nsTArray<ThemeGeometry>& aThemeGeometries) {
auto regions = GatherVibrantRegions(aThemeGeometries);
MakeRegionsNonOverlapping(Span(regions.begin(), regions.end()));
MakeRegionsNonOverlapping(regions);
auto& vm = EnsureVibrancyManager();
bool changed = false;