Matcher.hpp

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

template <typename, typename>
struct IsMatcherFor;
 
template <typename Callable, typename... Events> requires (sizeof...(Events) > 0)
struct IsMatcherFor<Callable, Kokkos::Impl::type_list<Events...>>
{
    static constexpr bool value = std::conjunction_v<std::is_invocable_r<bool, Callable, const Events&>...>;
};
 
} // namespace impl

template <typename Callable, typename EventTypeSubList>
concept Matcher = impl::IsMatcherFor<Callable, EventTypeSubList>::value;

struct AnyEventMatcher
{
    template <Event EventType>
    constexpr bool operator()(const EventType&) const { return true; }
};
 
} // namespace Kokkos::utils::callbacks
 
#endif // KOKKOS_UTILS_CALLBACKS_MATCHER_HPP