comparison_operators.hpp

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#pragma once
#define __XTD_STD_INTERNAL__
#include "../internal/__xtd_std_version.hpp"
#undef __XTD_STD_INTERNAL__
#include <compare>

namespace xtd {
  namespace extensions {
    template<class type_t, class comparable_t>
    class comparison_operators {
    public:
      
      friend bool operator <(const type_t& lhs, const type_t& rhs) noexcept {return lhs.compare_to(rhs) < 0;}
      
      friend bool operator <=(const type_t& lhs, const type_t& rhs) noexcept {return lhs.compare_to(rhs) <= 0;}
      
      friend bool operator >(const type_t& lhs, const type_t& rhs) noexcept {return lhs.compare_to(rhs) > 0;}
      
      friend bool operator >=(const type_t& lhs, const type_t& rhs) noexcept {return lhs.compare_to(rhs) >= 0;}
      
      friend std::strong_ordering operator <=>(const type_t& lhs, const type_t& rhs) noexcept {
        if (lhs.compare_to(rhs) < 0) return std::strong_ordering::less;
        if (lhs.compare_to(rhs) > 0) return std::strong_ordering::greater;
        return std::strong_ordering::equivalent;
      }
      friend std::strong_ordering operator <=>(const type_t& lhs, const type_t& rhs) noexcept {…}

    
    private:
      friend comparable_t;
      comparison_operators() = default;
    };
    class comparison_operators {…};
  }
  namespace extensions {…}
}