serif::utils::dependencies::SnapshotPolicyFor Concept Reference

#include <snapshot.hpp>

Concept definition

template<typename PolicyT, typename ValueT>
concept serif::utils::dependencies::SnapshotPolicyFor =  requires(const PolicyT& policy, const ValueT& value) {
        policy.capture(value);
        requires std::is_object_v<decltype(policy.capture(value))>;
        requires std::move_constructible<decltype(policy.capture(value))>;
        { policy.matches(std::declval<const decltype(policy.capture(value))&>(), value) } -> std::convertible_to<bool>;
    } && (!requires(const PolicyT& policy, const ValueT& value) { policy.identity(value); } ||
        requires(const PolicyT& policy, const ValueT& value) { { policy.identity(value) } -> std::convertible_to<const void*>; })