src/hotspot/share/metaprogramming/isIntegral.hpp
author coleenp
Fri, 04 Jan 2019 15:06:01 -0500
changeset 53149 259c36ef27df
parent 49621 5ef28d560b6f
child 53244 9807daeb47c4
permissions -rw-r--r--
8215731: Move forward class definitions out of globalDefinitions.hpp Summary: redistribute the forward declarations to the header files that need them. Reviewed-by: dholmes, lfoltan

/*
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 * accompanied this code).
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#ifndef SHARE_VM_METAPROGRAMMING_ISINTEGRAL_HPP
#define SHARE_VM_METAPROGRAMMING_ISINTEGRAL_HPP

#include "metaprogramming/integralConstant.hpp"
#include "metaprogramming/isSigned.hpp"
#include "metaprogramming/removeCV.hpp"
#include <limits>

// This metafunction returns true iff the type T (irrespective of CV qualifiers)
// is an integral type. Note that this is false for enums.

template<typename T>
struct IsIntegral
  : public IntegralConstant<bool, std::numeric_limits<typename RemoveCV<T>::type>::is_integer>
{};

// This metafunction returns true iff the type T (irrespective of CV qualifiers)
// is a signed integral type. Note that this is false for enums.

template<typename T>
struct IsSignedIntegral
  : public IntegralConstant<bool, IsIntegral<T>::value && IsSigned<T>::value>
{};

// This metafunction returns true iff the type T (irrespective of CV qualifiers)
// is an unsigned integral type. Note that this is false for enums.

template<typename T>
struct IsUnsignedIntegral
  : public IntegralConstant<bool, IsIntegral<T>::value && !IsSigned<T>::value>
{};

#endif // SHARE_VM_METAPROGRAMMING_ISINTEGRAL_HPP