add move/forward and more traits
parent
0311af0ffe
commit
df1b9daeaf
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@ -44,7 +44,7 @@ namespace octa {
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template<typename T, T val>
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struct IntegralConstant {
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static const T value = val;
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static constexpr const T value = val;
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typedef T value_type;
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typedef IntegralConstant<T, val> type;
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@ -53,7 +53,7 @@ namespace octa {
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typedef IntegralConstant<bool, true> true_t;
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typedef IntegralConstant<bool, false> false_t;
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template<typename T, T val> const T IntegralConstant<T, val>::value;
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template<typename T, T val> constexpr const T IntegralConstant<T, val>::value;
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/* is integer */
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@ -100,6 +100,27 @@ namespace octa {
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template<typename T>
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struct IsPointer: IsPointerBase<typename RemoveConstVolatile<T>::type> {};
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/* is pointer to member function */
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template<typename > struct IsMemberPointerBase: false_t {};
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template<typename T, typename U>
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struct IsMemberPointerBase<T U::*>: true_t {};
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template<typename T>
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struct IsMemberPointer: IsMemberPointerBase<
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typename RemoveConstVolatile<T>::type
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> {};
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/* is null pointer */
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template<typename> struct IsNullPointerBase : false_t {};
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template< > struct IsNullPointerBase<nullptr_t>: true_t {};
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template<typename T>
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struct IsNullPointer: IsNullPointerBase<
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typename RemoveConstVolatile<T>::type
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> {};
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/* is POD: currently wrong */
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template<typename T> struct IsPOD: IntegralConstant<bool,
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@ -144,6 +165,28 @@ namespace octa {
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template<typename > struct IsArray : false_t {};
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template<typename T > struct IsArray<T[] >: true_t {};
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template<typename T, size_t N> struct IsArray<T[N]>: true_t {};
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/* move */
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template<typename T>
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static inline constexpr typename RemoveReference<T>::type &&
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move(T &&v) noexcept {
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return (typename RemoveReference<T>::type &&)v;
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}
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/* forward */
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template<typename T>
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static inline constexpr T &&
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forward(typename RemoveReference<T>::type &v) noexcept {
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return (T &&)v;
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}
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template<typename T>
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static inline constexpr T &&
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forward(typename RemoveReference<T>::type &&v) noexcept {
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return (T &&)v;
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}
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}
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#endif
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@ -18,6 +18,8 @@ namespace octa {
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typedef long long llong;
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typedef long double ldouble;
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typedef decltype(nullptr) nullptr_t;
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}
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#endif
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