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BAN: Rewrite Traits and add some more of them

This commit is contained in:
Bananymous 2023-02-01 20:05:34 +02:00
parent 6a9d60a8fb
commit 4faa662a59
2 changed files with 50 additions and 33 deletions
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10
BAN/include/BAN/Move.h
View File

@ -6,21 +6,21 @@ namespace BAN
{
template<typename T>
constexpr typename RemoveReference<T>::type&& Move(T&& arg)
constexpr remove_reference_t<T>&& Move(T&& arg)
{
return static_cast<typename RemoveReference<T>::type&&>(arg);
return static_cast<remove_reference_t<T>&&>(arg);
}
template<typename T>
constexpr T&& Forward(typename RemoveReference<T>::type& arg)
constexpr T&& Forward(remove_reference_t<T>& arg)
{
return static_cast<T&&>(arg);
}
template<typename T>
constexpr T&& Forward(typename RemoveReference<T>::type&& arg)
constexpr T&& Forward(remove_reference_t<T>&& arg)
{
static_assert(!IsLValueReference<T>::value);
static_assert(!is_lvalue_reference_v<T>);
return static_cast<T&&>(arg);
}

73
BAN/include/BAN/Traits.h
View File

@ -3,39 +3,56 @@
namespace BAN
{
template<typename T>
struct RemoveReference { using type = T; };
template<typename T>
struct RemoveReference<T&> { using type = T; };
template<typename T>
struct RemoveReference<T&&> { using type = T; };
template<typename T> struct remove_refenrece { using type = T; };
template<typename T> struct remove_refenrece<T&> { using type = T; };
template<typename T> struct remove_refenrece<T&&> { using type = T; };
template<typename T> using remove_reference_t = typename remove_refenrece<T>::type;
template<typename T>
struct RemoveConst { using type = T; };
template<typename T>
struct RemoveConst<const T> { using type = T; };
template<typename T> struct remove_const { using type = T; };
template<typename T> struct remove_const<const T> { using type = T; };
template<typename T> using remove_const_t = typename remove_const<T>::type;
template<bool B, typename T = void>
struct EnableIf {};
template<typename T>
struct EnableIf<true, T> { using type = T; };
template<typename T> struct remove_const_and_reference { using type = remove_const_t<remove_reference_t<T>>; };
template<typename T> using remove_const_and_reference_t = typename remove_const_and_reference<T>::type;
template<typename T, typename S>
struct IsSame { static constexpr bool value = false; };
template<typename T>
struct IsSame<T, T> { static constexpr bool value = true; };
template<bool B, typename T = void> struct enable_if {};
template<typename T> struct enable_if<true, T> { using type = T; };
template<bool B, typename T = void> using enable_if_t = typename enable_if<B, T>::type;
template<typename T>
struct IsLValueReference { static constexpr bool value = false; };
template<typename T>
struct IsLValueReference<T&> { static constexpr bool value = true; };
template<typename T, typename S> struct is_same { static constexpr bool value = false; };
template<typename T> struct is_same<T, T> { static constexpr bool value = true; };
template<typename T, typename S> inline constexpr bool is_same_v = is_same<T, S>::value;
template<typename T> struct is_lvalue_reference { static constexpr bool value = false; };
template<typename T> struct is_lvalue_reference<T&> { static constexpr bool value = true; };
template<typename T> inline constexpr bool is_lvalue_reference_v = is_lvalue_reference<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; } };
template<typename T>
struct Greater { constexpr bool operator()(const T& lhs, const T& rhs) const { return lhs > rhs; } };
template<typename T> struct is_integral { static constexpr bool value =
is_same_v<remove_const_and_reference_t<T>, bool>
|| is_same_v<remove_const_and_reference_t<T>, char>
|| is_same_v<remove_const_and_reference_t<T>, short>
|| is_same_v<remove_const_and_reference_t<T>, int>
|| is_same_v<remove_const_and_reference_t<T>, long>
|| is_same_v<remove_const_and_reference_t<T>, long long>
|| is_same_v<remove_const_and_reference_t<T>, signed char>
|| is_same_v<remove_const_and_reference_t<T>, signed short>
|| is_same_v<remove_const_and_reference_t<T>, signed int>
|| is_same_v<remove_const_and_reference_t<T>, signed long>
|| is_same_v<remove_const_and_reference_t<T>, signed long long>
|| is_same_v<remove_const_and_reference_t<T>, unsigned char>
|| is_same_v<remove_const_and_reference_t<T>, unsigned short>
|| is_same_v<remove_const_and_reference_t<T>, unsigned int>
|| is_same_v<remove_const_and_reference_t<T>, unsigned long>
|| is_same_v<remove_const_and_reference_t<T>, unsigned long long>;
};
template<typename T> inline constexpr bool is_integral_v = is_integral<T>::value;
template<typename T> struct is_pointer { static constexpr bool value = false; };
template<typename T> struct is_pointer<T*> { static constexpr bool value = true; };
template<typename T> inline constexpr bool is_pointer_v = is_pointer<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; } };
template<typename T> struct greater { constexpr bool operator()(const T& lhs, const T& rhs) const { return lhs > rhs; } };
}