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AK: Add IsSigned conterpart to IsUnsigned.

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This commit is contained in:
Michel Hermier
2021-03-27 22:12:07 +01:00
committed by Andreas Kling
parent d77cbc0fa8
commit 4f1c72c174
2 changed files with 12 additions and 0 deletions
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4
AK/StdLibExtras.h
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@@ -546,6 +546,9 @@ using Void = void;
template<typename... _Ignored>
constexpr auto DependentFalse = false;
template<typename T>
using IsSigned = IsSame<T, typename MakeSigned<T>::Type>;
template<typename T>
using IsUnsigned = IsSame<T, typename MakeUnsigned<T>::Type>;
@@ -623,6 +626,7 @@ using AK::IsFundamental;
using AK::IsIntegral;
using AK::IsNullPointer;
using AK::IsSame;
using AK::IsSigned;
using AK::IsUnion;
using AK::IsUnsigned;
using AK::IsVoid;

8
AK/Tests/TestTypeTraits.cpp
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@@ -85,6 +85,14 @@ TEST_CASE(FundamentalTypeClassification)
EXPECT_TRAIT_FALSE(IsFundamental, Empty, int*, int&);
EXPECT_TRAIT_FALSE(IsSigned, unsigned);
EXPECT_TRAIT_FALSE(IsSigned, unsigned short);
EXPECT_TRAIT_FALSE(IsSigned, unsigned char);
EXPECT_TRAIT_FALSE(IsSigned, unsigned long);
EXPECT_TRAIT_TRUE(IsSigned, int);
EXPECT_TRAIT_TRUE(IsSigned, short);
EXPECT_TRAIT_TRUE(IsSigned, long);
EXPECT_TRAIT_TRUE(IsUnsigned, unsigned);
EXPECT_TRAIT_TRUE(IsUnsigned, unsigned short);
EXPECT_TRAIT_TRUE(IsUnsigned, unsigned char);