fixes

include/util/for_each.hpp

@@ -0,0 +1,49 @@
+#pragma once
+
+#include <utility>
+
+namespace ztu::for_each {
+
+	template<typename... Types>
+	inline constexpr bool type(auto &&f) {
+		return (f.template operator()<Types>() || ...);
+	}
+
+	template<auto... Values>
+	inline constexpr bool value(auto &&f) {
+		return (f.template operator()<Values>() || ...);
+	}
+
+	template<typename... Args>
+	inline constexpr bool argument(auto &&f, Args&&... args) {
+		return (f(std::forward<Args>(args)) || ...);
+	}
+
+	template <auto Size>
+	inline constexpr bool index(auto&& f) {
+		return [&]<auto... Indices>(std::index_sequence<Indices...>) {
+			return (f.template operator()<Indices>() || ...);
+		}(std::make_index_sequence<Size>());
+	}
+
+	template<typename... Types>
+	inline constexpr bool indexed_type(auto &&f) {
+		return [&]<auto... Indices>(std::index_sequence<Indices...>) {
+			return (f.template operator()<Indices, Types>() || ...);
+		}(std::make_index_sequence<sizeof...(Types)>());
+	}
+
+	template<auto... Values>
+	inline constexpr bool indexed_value(auto &&f) {
+		return [&]<auto... Indices>(std::index_sequence<Indices...>) {
+			return (f.template operator()<Indices, Values>() || ...);
+		}(std::make_index_sequence<sizeof...(Values)>());
+	}
+
+	template<typename... Args>
+	inline constexpr bool indexed_argument(auto &&f, Args&&... args) {
+		return [&]<auto... Indices>(std::index_sequence<Indices...>) {
+			return (f.template operator()<Indices>(std::forward<Args>(args)) || ...);
+		}(std::make_index_sequence<sizeof...(Args)>());
+	}
+}