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BAN: add is_arithmetic and is_signed to Traits.h

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Bananymous 2023-05-15 20:26:29 +03:00
parent 85039020d3
commit 632b699475
1 changed files with 10 additions and 0 deletions
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10
BAN/include/BAN/Traits.h
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@ -65,6 +65,16 @@ namespace BAN
template<typename T> struct is_const<const T> : true_type {};
template<typename T> inline constexpr bool is_const_v = is_const<T>::value;
template<typename T> struct is_arithmetic { static constexpr bool value = is_integral_v<T> || is_floating_point_v<T>; };
template<typename T> inline constexpr bool is_arithmetic_v = is_arithmetic<T>::value;
namespace detail
{
template<typename T, bool = is_arithmetic_v<T>> struct is_signed { static constexpr bool value = T(-1) < T(0); };
template<typename T> struct is_signed<T, false> : false_type {};
}
template<typename T> struct is_signed : detail::is_signed<T> {};
template<typename T> inline constexpr bool is_signed_v = is_signed<T>::value;
template<typename T> struct less { constexpr bool operator()(const T& lhs, const T& rhs) const { return lhs < rhs; } };
template<typename T> struct equal { constexpr bool operator()(const T& lhs, const T& rhs) const { return lhs == rhs; } };