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BAN: Implement traits {true,false}_type with integral_constant

This commit is contained in:
Bananymous 2024-06-03 17:51:44 +03:00
parent bd1290706a
commit 65f299038d
1 changed files with 4 additions and 5 deletions
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9
BAN/include/BAN/Traits.h
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@ -34,8 +34,10 @@ namespace BAN
template<typename T1, typename T2> struct either_or<true, T1, T2> { using type = T1; };
template<bool B, typename T1, typename T2> using either_or_t = typename either_or<B, T1, T2>::type;
struct true_type { static constexpr bool value = true; };
struct false_type { static constexpr bool value = false; };
template<typename T, T V> struct integral_constant { static constexpr T value = V; };
template<typename T, T V > inline constexpr T integral_constant_v = integral_constant<T, V>::value;
using true_type = integral_constant<bool, true>;
using false_type = integral_constant<bool, false>;
template<typename T, typename S> struct is_same : false_type {};
template<typename T> struct is_same<T, T> : true_type {};
@ -87,9 +89,6 @@ namespace BAN
template<typename Base, typename Derived> struct is_base_of { static constexpr bool value = __is_base_of(Base, Derived); };
template<typename Base, typename Derived> inline constexpr bool is_base_of_v = is_base_of<Base, Derived>::value;
template<typename T, T V> struct integral_constant { static constexpr T value = V; };
template<typename T, T V > inline constexpr T integral_constant_v = integral_constant<T, V>::value;
namespace detail
{
template<typename T, bool = is_arithmetic_v<T>> struct is_signed { static constexpr bool value = T(-1) < T(0); };