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BAN: Implement make_signed and make_unsigned

This commit is contained in:
Bananymous 2024-03-22 11:14:41 +02:00
parent d1c8273826
commit 3c62be3f5d
1 changed files with 30 additions and 0 deletions
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30
BAN/include/BAN/Traits.h
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@ -106,6 +106,36 @@ namespace BAN
template<typename T> inline constexpr bool is_unsigned_v = is_unsigned<T>::value;
template<typename T> concept unsigned_integral = is_unsigned_v<T> && is_integral_v<T>;
#define __BAN_TRAITS_MAKE_UNSIGNED_CV(__type) \
template<> struct make_unsigned<__type> { using type = unsigned __type; }; \
template<> struct make_unsigned<const __type> { using type = unsigned const __type; }; \
template<> struct make_unsigned<volatile __type> { using type = unsigned volatile __type; }; \
template<> struct make_unsigned<const volatile __type> { using type = unsigned const volatile __type; };
template<typename T> requires is_arithmetic_v<T> struct make_unsigned { using type = T; };
__BAN_TRAITS_MAKE_UNSIGNED_CV(char)
__BAN_TRAITS_MAKE_UNSIGNED_CV(short)
__BAN_TRAITS_MAKE_UNSIGNED_CV(int)
__BAN_TRAITS_MAKE_UNSIGNED_CV(long)
__BAN_TRAITS_MAKE_UNSIGNED_CV(long long)
template<typename T> using make_unsigned_t = typename make_unsigned<T>::type;
#undef __BAN_TRAITS_MAKE_UNSIGNED_CV
#define __BAN_TRAITS_MAKE_SIGNED_CV(__type) \
template<> struct make_signed<unsigned __type> { using type = __type; }; \
template<> struct make_signed<unsigned const __type> { using type = const __type; }; \
template<> struct make_signed<unsigned volatile __type> { using type = volatile __type; }; \
template<> struct make_signed<unsigned const volatile __type> { using type = const volatile __type; };
template<typename T> requires is_arithmetic_v<T> struct make_signed { using type = T; };
__BAN_TRAITS_MAKE_SIGNED_CV(char)
__BAN_TRAITS_MAKE_SIGNED_CV(short)
__BAN_TRAITS_MAKE_SIGNED_CV(int)
__BAN_TRAITS_MAKE_SIGNED_CV(long)
__BAN_TRAITS_MAKE_SIGNED_CV(long long)
template<typename T> using make_signed_t = typename make_signed<T>::type;
#undef __BAN_TRAITS_MAKE_SIGNED_CV
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; } };
template<typename T> struct greater { constexpr bool operator()(const T& lhs, const T& rhs) const { return lhs > rhs; } };