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+// This source code is released into the public domain.
+export module nihil.core:match;
+
+import nihil.std;
+
+namespace nihil {
+
+export template<class... Ts>
+struct match : Ts... { using Ts::operator()...; };
+
+export template<typename... Ts, typename... Fs>
+[[nodiscard]] constexpr decltype(auto) operator|
+ (std::variant<Ts...> const &v, match<Fs...> const &match)
+{
+ return std::visit(match, v);
+}
+
+} // namespace nihil