hotspot/src/share/vm/metaprogramming/isPointer.hpp
author eosterlund
Tue, 11 Jul 2017 12:00:48 +0200
changeset 46649 439ffb1e05ec
permissions -rw-r--r--
8183927: Hotspot needs C++ type_traits metaprogramming utilities Summary: This changeset introduces new metaprogramming utilities typically found in <type_traits> in C++11. Reviewed-by: kbarrett, rehn, pliden Contributed-by: erik.osterlund@oracle.com, kim.barrett@oracle.com

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#ifndef SHARE_VM_METAPROGRAMMING_ISPOINTER_HPP
#define SHARE_VM_METAPROGRAMMING_ISPOINTER_HPP

#include "metaprogramming/integralConstant.hpp"

// This metafunction returns true iff the type T is (irrespective of CV qualifiers)
// a pointer type.

template <typename T> class IsPointer: public FalseType {};

template <typename T> class IsPointer<T*>: public TrueType {};
template <typename T> class IsPointer<T* const>: public TrueType {};
template <typename T> class IsPointer<T* volatile>: public TrueType {};
template <typename T> class IsPointer<T* const volatile>: public TrueType {};

#endif // SHARE_VM_METAPROGRAMMING_ISPOINTER_HPP