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refactor(typetraits): make TConstant more in line with std style

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This commit is contained in:
_Redstone_c_ 2021-12-20 22:41:11 +08:00
parent c973a8674b
commit c37f2c3153
2 changed files with 8 additions and 10 deletions
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6
Redcraft.Utility/Source/Private/Testing/TypeTraitsTesting.cpp
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@ -47,9 +47,9 @@ void TestTypeTraits()
{
// HelperClasses.h
always_check(TypeTraits::TIntegralConstant<1>::Value == 1);
always_check(static_cast<int32>(TypeTraits::TIntegralConstant<2>::Value) == 2);
always_check(TypeTraits::TIntegralConstant<3>() == 3);
always_check((TypeTraits::TConstant<int32, 1>::Value == 1));
always_check(static_cast<int32>(TypeTraits::TConstant<int32, 2>::Value) == 2);
always_check((TypeTraits::TConstant<int32, 3>() == 3));
always_check(!TypeTraits::FFalse::Value);
always_check(TypeTraits::FTrue::Value);

12
Redcraft.Utility/Source/Public/TypeTraits/HelperClasses.h
View File

@ -10,18 +10,16 @@ NAMESPACE_BEGIN(TypeTraits)
template <typename InType, InType InValue>
struct TConstant
{
using Type = InType;
static constexpr Type Value = InValue;
constexpr operator Type() const { return Value; }
constexpr Type operator()() const { return Value; }
using ValueType = InType;
using Type = TConstant;
static constexpr ValueType Value = InValue;
constexpr operator ValueType() const { return Value; }
constexpr ValueType operator()() const { return Value; }
};
template <bool InValue>
using TBoolConstant = TConstant<bool, InValue>;
template <int32 InValue>
using TIntegralConstant = TConstant<int32, InValue>;
using FTrue = TBoolConstant<true>;
using FFalse = TBoolConstant<false>;