Contains.hpp

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#ifndef CAPYDI_CONTAINS_HPP_
#define CAPYDI_CONTAINS_HPP_
 
#include "Filter.hpp"
#include "capymeta/primitives/Functor.hpp"
 
#include <concepts>
 
namespace capy::meta
{
 
template<typename Pack_, typename Element>
constexpr bool pack_contains_t = !pack_is_empty_v<pack_filter_t<
    Pack_,
    functor_fv<[]<class T>(Pack<T>) {
        return std::same_as<T, Element>;
    }, MetaArity::N1>
>>;
 
}
 
#endif // !CAPYDI_CONTAINS_HPP_