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BAN: Add it_value_type_t 

This is a template that resolves into T for pointers to T and T::value_type otherwise. It allows using the underlaying type of an iterator or pointer for range based algorithms
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Bananymous 2025-10-26 00:22:35 +03:00
parent 84006e1e77
commit 703b3eda56
1 changed files with 4 additions and 0 deletions
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4
BAN/include/BAN/Traits.h
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@ -139,6 +139,10 @@ namespace BAN
template<typename T> using make_signed_t = typename make_signed<T>::type; template<typename T> using make_signed_t = typename make_signed<T>::type;
#undef __BAN_TRAITS_MAKE_SIGNED_CV #undef __BAN_TRAITS_MAKE_SIGNED_CV
template<typename T> struct it_value_type { using value_type = T::value_type; };
template<typename T> struct it_value_type<T*> { using value_type = T; };
template<typename T> using it_value_type_t = typename it_value_type<T>::value_type;
template<typename T> struct less { constexpr bool operator()(const T& lhs, const T& rhs) const { return lhs < rhs; } }; 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 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 greater { constexpr bool operator()(const T& lhs, const T& rhs) const { return lhs > rhs; } };