feat(templates): add Invoke function and corresponding peripheral tools
This commit is contained in:
parent
b0c170f803
commit
63fdd34789
@ -183,6 +183,15 @@ void TestConcepts()
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always_check((CSwappableWith<int32&, int32&>));
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always_check((CSwappableWith<int32&, int32&>));
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// Invocable.h
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always_check((CInvocable <decltype([]( ) -> void { }) >));
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always_check((CRegularInvocable <decltype([](int32 A ) -> int32 { return A; }), int32 >));
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always_check((CPredicate <decltype([](int32 A, int32 B, int32 C) -> bool { return (A + B + C) == 0; }), int32, int32, int32 >));
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always_check((CRelation <decltype([](int32 A, int32 B ) -> bool { return (A ^ B) == 0; }), int32, int32 >));
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always_check((CEquivalenceRelation<decltype([](int32 A, int32 B ) -> bool { return A == B; }), int32, int32 >));
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always_check((CStrictWeakOrder <decltype([](int32 A, int32 B ) -> bool { return A < B; }), int32, int32 >));
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}
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}
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NAMESPACE_MODULE_END(Utility)
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NAMESPACE_MODULE_END(Utility)
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49
Redcraft.Utility/Source/Private/Testing/TemplatesTesting.cpp
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49
Redcraft.Utility/Source/Private/Testing/TemplatesTesting.cpp
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@ -0,0 +1,49 @@
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#include "Testing/TemplatesTesting.h"
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#include "Misc/AssertionMacros.h"
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#include "Templates/Templates.h"
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NAMESPACE_REDCRAFT_BEGIN
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NAMESPACE_MODULE_BEGIN(Redcraft)
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NAMESPACE_MODULE_BEGIN(Utility)
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void TestTemplates()
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{
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TestInvoke();
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}
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NAMESPACE_UNNAMED_BEGIN
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int32 TestFunctionA(int32 A, int32 B, int32 C)
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{
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return A + B + C;
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}
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struct FTestStructA
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{
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int32 Num;
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FTestStructA(int32 InNum) : Num(InNum) { }
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int32 Add(int32 A) const { return Num + A; }
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};
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NAMESPACE_UNNAMED_END
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void TestInvoke()
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{
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Invoke([=]() { });
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FTestStructA TempA(123);
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always_check(Invoke(TestFunctionA, 1, 2, 3) == 6);
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always_check(Invoke(&FTestStructA::Add, TempA, 1) == 124);
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always_check(Invoke(&FTestStructA::Add, &TempA, 1) == 124);
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int32 TempB = Invoke(&FTestStructA::Num, &TempA);
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int32 TempC = Invoke(&FTestStructA::Num, TempA);
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always_check(TempB == 123);
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always_check(TempC == 123);
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int64 TempD = InvokeResult<int64>(&FTestStructA::Num, &TempA);
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int64 TempE = InvokeResult<int64>(&FTestStructA::Num, TempA);
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always_check(TempD == 123);
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always_check(TempE == 123);
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}
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NAMESPACE_MODULE_END(Utility)
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NAMESPACE_MODULE_END(Redcraft)
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NAMESPACE_REDCRAFT_END
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@ -313,11 +313,16 @@ void TestTypeTraits()
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always_check(!(TIsConvertible<FTestStructE*, FTestStructH*>::Value));
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always_check(!(TIsConvertible<FTestStructE*, FTestStructH*>::Value));
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always_check((TIsConvertible<FTestStructW, FTestStructV>::Value));
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always_check((TIsConvertible<FTestStructW, FTestStructV>::Value));
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always_check((TIsInvocable<void, int32()>::Value));
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always_check((TIsInvocable<int32()>::Value));
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always_check((TIsInvocable<int32, int32()>::Value));
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always_check((TIsInvocable<int32(int32), int32>::Value));
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always_check((TIsInvocable<int32, int32(int32), int32>::Value));
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always_check(!(TIsInvocable<int32(int32), FTestStructA>::Value));
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always_check(!(TIsInvocable<int32, int32(int32), FTestStructA>::Value));
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always_check((TIsInvocable<int32(int32), int32>::Value));
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always_check(!(TIsInvocable<FTestStructA, int32(int32), int32>::Value));
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always_check((TIsInvocableResult<void, int32()>::Value));
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always_check((TIsInvocableResult<int32, int32()>::Value));
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always_check((TIsInvocableResult<int32, int32(int32), int32>::Value));
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always_check(!(TIsInvocableResult<int32, int32(int32), FTestStructA>::Value));
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always_check(!(TIsInvocableResult<FTestStructA, int32(int32), int32>::Value));
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always_check((TIsSame<int32, TRemoveConst<int32>::Type>::Value));
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always_check((TIsSame<int32, TRemoveConst<int32>::Type>::Value));
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always_check(!(TIsSame<int32, TRemoveConst<int32*>::Type>::Value));
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always_check(!(TIsSame<int32, TRemoveConst<int32*>::Type>::Value));
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@ -4,6 +4,7 @@
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#include "Concepts/Same.h"
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#include "Concepts/Same.h"
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#include "Concepts/Derived.h"
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#include "Concepts/Derived.h"
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#include "Concepts/Objects.h"
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#include "Concepts/Objects.h"
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#include "Concepts/Invocable.h"
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#include "Concepts/Swappable.h"
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#include "Concepts/Swappable.h"
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#include "Concepts/Assignable.h"
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#include "Concepts/Assignable.h"
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#include "Concepts/Comparable.h"
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#include "Concepts/Comparable.h"
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@ -12,10 +13,3 @@
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#include "Concepts/Destructible.h"
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#include "Concepts/Destructible.h"
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#include "Concepts/Constructible.h"
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#include "Concepts/Constructible.h"
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#include "Concepts/BooleanTestable.h"
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#include "Concepts/BooleanTestable.h"
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//template <typename F, typename... Args> concept CInvocable; // Prerequisites: Invoke, Forward
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//template <typename F, typename... Args> concept CRegularInvocable; // Prerequisites: Invoke, Forward
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//template <typename F, typename... Args> concept CPredicate; // Prerequisites: CBooleanTestable, CRegularInvocable
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//template <typename F, typename T, typename U> concept CRelation; // Prerequisites: CPredicate
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//template <typename F, typename T, typename U> concept CEquivalenceRelation // Prerequisites: CRelation
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//template <typename F, typename T, typename U> concept CStrictWeakOrder // Prerequisites: CRelation
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32
Redcraft.Utility/Source/Public/Concepts/Invocable.h
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32
Redcraft.Utility/Source/Public/Concepts/Invocable.h
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#pragma once
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#include "CoreTypes.h"
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#include "TypeTraits/TypeTraits.h"
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NAMESPACE_REDCRAFT_BEGIN
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NAMESPACE_MODULE_BEGIN(Redcraft)
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NAMESPACE_MODULE_BEGIN(Utility)
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template <typename F, typename... Types>
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concept CInvocable = requires(F&& Func, Types&&... Args) { Invoke(Forward<F>(Func), Forward<Types>(Args)...); };
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template <typename F, typename... Types>
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concept CRegularInvocable = CInvocable<F, Types...>;
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template <typename F, typename... Types>
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concept CPredicate = CRegularInvocable<F, Types...> && CBooleanTestable<typename TInvokeResult<F, Types...>::Type>;
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template <typename R, typename T, typename U>
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concept CRelation =
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CPredicate<R, T, T> && CPredicate<R, U, U> &&
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CPredicate<R, T, U> && CPredicate<R, U, T>;
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template <typename R, typename T, typename U>
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concept CEquivalenceRelation = CRelation<R, T, U>;
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template <typename R, typename T, typename U>
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concept CStrictWeakOrder = CRelation<R, T, U>;
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NAMESPACE_MODULE_END(Utility)
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NAMESPACE_MODULE_END(Redcraft)
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NAMESPACE_REDCRAFT_END
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98
Redcraft.Utility/Source/Public/Templates/Invoke.h
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98
Redcraft.Utility/Source/Public/Templates/Invoke.h
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@ -0,0 +1,98 @@
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#pragma once
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#include "CoreTypes.h"
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#include "TypeTraits/Miscellaneous.h"
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NAMESPACE_REDCRAFT_BEGIN
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NAMESPACE_MODULE_BEGIN(Redcraft)
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NAMESPACE_MODULE_BEGIN(Utility)
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NAMESPACE_PRIVATE_BEGIN
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struct InvokeFunction
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{
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template <typename F, typename... Types>
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static auto Invoke(F&& Object, Types&&... Args)
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{
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return Object(Forward<Types>(Args)...);
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}
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};
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struct InvokeMemberFunction
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{
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template <typename F, typename ObjectType, typename... Types>
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static auto Invoke(F&& Func, ObjectType&& Object, Types&&... Args) ->
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decltype((Object->*Func)(Forward<Types>(Args)...))
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{
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return (Object->*Func)(Forward<Types>(Args)...);
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}
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template <typename F, typename ObjectType, typename... Types>
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static auto Invoke(F&& Func, ObjectType&& Object, Types&&... Args) ->
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decltype((Object.*Func)(Forward<Types>(Args)...))
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{
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return (Object.*Func)(Forward<Types>(Args)...);
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}
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};
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struct InvokeMemberObject
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{
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template <typename F, typename ObjectType>
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static auto Invoke(F&& Func, ObjectType&& Object) ->
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decltype(Object->*Func)
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{
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return (Object->*Func);
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}
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template <typename F, typename ObjectType>
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static auto Invoke(F&& Func, ObjectType&& Object) ->
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decltype(Object.*Func)
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{
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return (Object.*Func);
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}
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};
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template <typename F,
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typename T,
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typename Decayed = typename TDecay<F>::Type,
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bool IsMemberFunction = TIsMemberFunctionPointer<Decayed>::Value,
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bool IsMemberObject = TIsMemberObjectPointer<Decayed>::Value>
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struct InvokeMember;
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template <typename F, typename T, typename Decayed>
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struct InvokeMember<F, T, Decayed, true, false> : InvokeMemberFunction { };
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template <typename F, typename T, typename Decayed>
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struct InvokeMember<F, T, Decayed, false, true> : InvokeMemberObject { };
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template <typename F, typename T, typename Decayed>
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struct InvokeMember<F, T, Decayed, false, false> : InvokeFunction { };
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template <typename F, typename... Types>
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struct InvokeImpl;
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template <typename F>
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struct InvokeImpl<F> : InvokeFunction { };
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template <typename F, typename T, typename... Types>
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struct InvokeImpl<F, T, Types...> : InvokeMember<F, T> { };
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NAMESPACE_PRIVATE_END
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template <typename F, typename... Types> requires TIsInvocable<F, Types...>::Value
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constexpr auto Invoke(F&& Func, Types&&... Args)
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{
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return NAMESPACE_PRIVATE::InvokeImpl<F, Types...>::Invoke(Forward<F>(Func), Forward<Types>(Args)...);
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}
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template <typename R, typename F, typename... Types> requires TIsInvocableResult<R, F, Types...>::Value
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constexpr R InvokeResult(F&& Func, Types&&... Args)
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{
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if constexpr (TIsVoid<R>::Value) Invoke(Forward<F>(Func), Forward<Types>(Args)...);
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else return Invoke(Forward<F>(Func), Forward<Types>(Args)...);
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}
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NAMESPACE_MODULE_END(Utility)
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NAMESPACE_MODULE_END(Redcraft)
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NAMESPACE_REDCRAFT_END
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#include "Templates/Utility.h"
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#include "Templates/Utility.h"
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#include "Templates/Container.h"
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#include "Templates/Container.h"
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#include "Templates/Noncopyable.h"
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#include "Templates/Noncopyable.h"
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#include "Templates/Invoke.h"
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14
Redcraft.Utility/Source/Public/Testing/TemplatesTesting.h
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14
Redcraft.Utility/Source/Public/Testing/TemplatesTesting.h
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#pragma once
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#include "CoreTypes.h"
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NAMESPACE_REDCRAFT_BEGIN
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NAMESPACE_MODULE_BEGIN(Redcraft)
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NAMESPACE_MODULE_BEGIN(Utility)
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void REDCRAFTUTILITY_API TestTemplates();
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void REDCRAFTUTILITY_API TestInvoke();
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NAMESPACE_MODULE_END(Utility)
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NAMESPACE_MODULE_END(Redcraft)
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NAMESPACE_REDCRAFT_END
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@ -28,10 +28,11 @@ NAMESPACE_PRIVATE_END
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template <typename T> struct TRank : TConstant<size_t, NAMESPACE_STD::rank_v<T>> { };
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template <typename T> struct TRank : TConstant<size_t, NAMESPACE_STD::rank_v<T>> { };
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template <typename T, size_t I = 0> struct TExtent : TConstant<size_t, NAMESPACE_STD::extent_v<T, I>> { };
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template <typename T, size_t I = 0> struct TExtent : TConstant<size_t, NAMESPACE_STD::extent_v<T, I>> { };
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template <typename T, typename U> struct TIsSame : TBoolConstant<NAMESPACE_STD::is_same_v<T, U>> { };
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template <typename T, typename U> struct TIsSame : TBoolConstant<NAMESPACE_STD::is_same_v<T, U>> { };
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template <typename T, typename U> struct TIsBaseOf : TBoolConstant<NAMESPACE_STD::is_base_of_v<T, U>> { };
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template <typename T, typename U> struct TIsBaseOf : TBoolConstant<NAMESPACE_STD::is_base_of_v<T, U>> { };
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template <typename T, typename U> struct TIsConvertible : TBoolConstant<NAMESPACE_STD::is_convertible_v<T, U>> { };
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template <typename T, typename U> struct TIsConvertible : TBoolConstant<NAMESPACE_STD::is_convertible_v<T, U>> { };
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template <typename R, typename F, typename... Args> struct TIsInvocable : TBoolConstant<NAMESPACE_STD::is_invocable_r_v<R, F, Args...>> { };
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template <typename F, typename... Args> struct TIsInvocable : TBoolConstant<NAMESPACE_STD::is_invocable_v<F, Args...>> { };
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template <typename R, typename F, typename... Args> struct TIsInvocableResult : TBoolConstant<NAMESPACE_STD::is_invocable_r_v<R, F, Args...>> { }; // FIXME: The result for char(&())[2] is wrong on MSVC
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template <typename T> struct TRemoveConst { using Type = NAMESPACE_STD::remove_const_t<T>; };
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template <typename T> struct TRemoveConst { using Type = NAMESPACE_STD::remove_const_t<T>; };
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template <typename T> struct TRemoveVolatile { using Type = NAMESPACE_STD::remove_volatile_t<T>; };
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template <typename T> struct TRemoveVolatile { using Type = NAMESPACE_STD::remove_volatile_t<T>; };
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