deleter.hpp

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#ifndef NEFORCE_CORE_UTILITY_DELETER_HPP__
#define NEFORCE_CORE_UTILITY_DELETER_HPP__

 
#include "NeForce/core/typeinfo/type_traits.hpp"
NEFORCE_BEGIN_NAMESPACE__


template <typename T>
struct default_deleter {
    constexpr default_deleter() noexcept = default; 

    template <typename U, enable_if_t<is_convertible<U*, T*>::value, int> = 0>
    NEFORCE_CONSTEXPR20 default_deleter(const default_deleter<U>& /*unused*/) noexcept {}

    NEFORCE_CONSTEXPR20 void operator()(const T* ptr) const noexcept { delete ptr; }

    template <typename U>
    NEFORCE_CONSTEXPR20 default_deleter<U> rebind() && noexcept {
        return default_deleter<U>();
    }
};

template <typename T>
struct default_deleter<T[]> {
    constexpr default_deleter() noexcept = default; 

    template <typename U, enable_if_t<is_convertible<U (*)[], T (*)[]>::value, int> = 0>
    NEFORCE_CONSTEXPR20 default_deleter(const default_deleter<U[]>& /*unused*/) noexcept {}

    template <typename U, enable_if_t<is_convertible<U (*)[], T (*)[]>::value, int> = 0>
    NEFORCE_CONSTEXPR20 void operator()(U* ptr) const noexcept {
        delete[] ptr;
    }

    template <typename U>
    NEFORCE_CONSTEXPR20 default_deleter<U[]> rebind() && noexcept {
        return default_deleter<U[]>();
    }
};
 // Deleter
 
NEFORCE_END_NAMESPACE__
#endif // NEFORCE_CORE_UTILITY_DELETER_HPP__