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k_priority_queue: Fix concepts use

- For `std::same_as`, add missing include of `<concepts>`.

- For `std::convertible_to`, create a replacement in `common/concepts.h`
  and use that instead.

  This would also be found in `<concepts>`, but unlike `std::same_as`,
  `std::convertible_to` is not yet implemented in libc++, LLVM's STL
  implementation - not even in master.  (In fact, `std::same_as` is the
  *only* concept currently implemented.  For some reason.)
This commit is contained in:
comex 2020-12-29 14:26:16 -05:00
parent 22ba437aa4
commit 388cf58b31
2 changed files with 9 additions and 3 deletions

View file

@ -31,4 +31,8 @@ concept DerivedFrom = requires {
std::is_convertible_v<const volatile Derived*, const volatile Base*>; std::is_convertible_v<const volatile Derived*, const volatile Base*>;
}; };
// TODO: Replace with std::convertible_to when libc++ implements it.
template <typename From, typename To>
concept ConvertibleTo = std::is_convertible_v<From, To>;
} // namespace Common } // namespace Common

View file

@ -8,11 +8,13 @@
#pragma once #pragma once
#include <array> #include <array>
#include <concepts>
#include "common/assert.h" #include "common/assert.h"
#include "common/bit_set.h" #include "common/bit_set.h"
#include "common/bit_util.h" #include "common/bit_util.h"
#include "common/common_types.h" #include "common/common_types.h"
#include "common/concepts.h"
namespace Kernel { namespace Kernel {
@ -21,7 +23,7 @@ class Thread;
template <typename T> template <typename T>
concept KPriorityQueueAffinityMask = !std::is_reference_v<T> && requires(T & t) { concept KPriorityQueueAffinityMask = !std::is_reference_v<T> && requires(T & t) {
{ t.GetAffinityMask() } { t.GetAffinityMask() }
->std::convertible_to<u64>; ->Common::ConvertibleTo<u64>;
{t.SetAffinityMask(std::declval<u64>())}; {t.SetAffinityMask(std::declval<u64>())};
{ t.GetAffinity(std::declval<int32_t>()) } { t.GetAffinity(std::declval<int32_t>()) }
@ -48,9 +50,9 @@ concept KPriorityQueueMember = !std::is_reference_v<T> && requires(T & t) {
->KPriorityQueueAffinityMask; ->KPriorityQueueAffinityMask;
{ t.GetActiveCore() } { t.GetActiveCore() }
->std::convertible_to<s32>; ->Common::ConvertibleTo<s32>;
{ t.GetPriority() } { t.GetPriority() }
->std::convertible_to<s32>; ->Common::ConvertibleTo<s32>;
}; };
template <typename Member, size_t _NumCores, int LowestPriority, int HighestPriority> template <typename Member, size_t _NumCores, int LowestPriority, int HighestPriority>