ConjunctionMatcher.hpp

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#ifndef KOKKOS_UTILS_CALLBACKS_CONJUNCTIONMATCHER_HPP
#define KOKKOS_UTILS_CALLBACKS_CONJUNCTIONMATCHER_HPP
 
#include "kokkos-utils/callbacks/Events.hpp"
#include "kokkos-utils/callbacks/Matcher.hpp"
 
namespace Kokkos::utils::callbacks
{

template <Matcher... MatcherTypes> requires (sizeof...(MatcherTypes) > 1)
struct ConjunctionMatcher
{
    ConjunctionMatcher() = default;
 
    template <typename... Args> requires (sizeof...(Args) > 0 && sizeof...(Args) == sizeof...(MatcherTypes))
    explicit ConjunctionMatcher(Args&&... args) : matchers(std::forward<Args>(args)...) {}
 
    template <Event EventType> requires (MatcherFor<MatcherTypes, EventType> && ...)
    bool operator()(const EventType& event)
    {
        return std::apply([&event] (MatcherTypes&... matchers_) {
                return (matchers_(event) && ...);
        }, matchers);
    }
 
    std::tuple<MatcherTypes...> matchers {};
};
 
template <typename... MatcherTypes>
ConjunctionMatcher(MatcherTypes&&...) -> ConjunctionMatcher<MatcherTypes...>;
 
} // namespace Kokkos::utils::callbacks
 
#endif // KOKKOS_UTILS_CALLBACKS_CONJUNCTIONMATCHER_HPP