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AK: Add a OneOfIgnoringCV concept

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Some functions want to ignore cv-qualifiers, and it's much easier to
constrain the type through a concept than a separate requires clause on
the function.
This commit is contained in:
Ali Mohammad Pur 2022-04-17 09:21:55 +04:30 committed by Ali Mohammad Pur
parent 5d1deac9a8
commit 2b79f36148
2 changed files with 12 additions and 0 deletions
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4
AK/Concepts.h
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@ -39,6 +39,9 @@ concept SameAs = IsSame<T, U>;
template<typename U, typename... Ts>
concept OneOf = IsOneOf<U, Ts...>;
template<typename U, typename... Ts>
concept OneOfIgnoringCV = IsOneOfIgnoringCV<U, Ts...>;
template<typename T, template<typename...> typename S>
concept SpecializationOf = IsSpecializationOf<T, S>;
@ -121,6 +124,7 @@ using AK::Concepts::IterableContainer;
using AK::Concepts::IteratorFunction;
using AK::Concepts::IteratorPairWith;
using AK::Concepts::OneOf;
using AK::Concepts::OneOfIgnoringCV;
using AK::Concepts::SameAs;
using AK::Concepts::Signed;
using AK::Concepts::SpecializationOf;

8
AK/StdLibExtraDetails.h
View file

@ -593,6 +593,12 @@ inline constexpr bool IsHashCompatible<T, T> = true;
template<typename T, typename... Ts>
inline constexpr bool IsOneOf = (IsSame<T, Ts> || ...);
template<typename T, typename U>
inline constexpr bool IsSameIgnoringCV = IsSame<RemoveCV<T>, RemoveCV<U>>;
template<typename T, typename... Ts>
inline constexpr bool IsOneOfIgnoringCV = (IsSameIgnoringCV<T, Ts> || ...);
}
using AK::Detail::AddConst;
using AK::Detail::AddConstToReferencedType;
@ -630,10 +636,12 @@ using AK::Detail::IsMoveAssignable;
using AK::Detail::IsMoveConstructible;
using AK::Detail::IsNullPointer;
using AK::Detail::IsOneOf;
using AK::Detail::IsOneOfIgnoringCV;
using AK::Detail::IsPOD;
using AK::Detail::IsPointer;
using AK::Detail::IsRvalueReference;
using AK::Detail::IsSame;
using AK::Detail::IsSameIgnoringCV;
using AK::Detail::IsSigned;
using AK::Detail::IsSpecializationOf;
using AK::Detail::IsTrivial;