Condition.hpp

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#ifndef ECSTASY_QUERY_CONCEPTS_CONDITION_HPP_
#define ECSTASY_QUERY_CONCEPTS_CONDITION_HPP_
 
#include "ecstasy/query/conditions/Condition.hpp"
 
namespace ecstasy::query
{
    template <typename C>
    concept QCondition = requires(C &condition) { requires std::derived_from<C, ecstasy::query::ConditionBase>; };
 
    template <typename C>
    concept QConditionConst = requires(C &condition) {
        requires QCondition<C>;
 
        // clang-format off
        { C::test() } -> std::same_as<bool>;
        // clang-format on
    };
 
    template <typename C>
    concept QConditionLeft = requires(C &condition, const typename C::Left &left) {
        requires QCondition<C>;
 
        typename C::Left;
 
        // clang-format off
        { C::test(left) } -> std::same_as<bool>;
        // clang-format on
    };
 
    template <typename C>
    concept QConditionRight = requires(C &condition, const typename C::Right &right) {
        requires QCondition<C>;
 
        typename C::Right;
 
        // clang-format off
        { C::test(right) } -> std::same_as<bool>;
        // clang-format on
    };
 
    template <typename C>
    concept QConditionLeftRight = requires(C &condition, const typename C::Left &left, const typename C::Right &right) {
        requires QCondition<C>;
 
        typename C::Left;
        typename C::Right;
 
        // clang-format off
        { C::test(left, right) } -> std::same_as<bool>;
        // clang-format on
    };
} // namespace ecstasy::query
 
#endif /* !ECSTASY_QUERY_CONCEPTS_CONDITION_HPP_ */