Restructure project

1 files changed, 33 insertions, 0 deletions

diff --git a/app/source/Cplt/Utils/Variant.hpp b/app/source/Cplt/Utils/Variant.hpp
new file mode 100644
index 0000000..df2f882
--- /dev/null
+++ b/app/source/Cplt/Utils/Variant.hpp
@@ -0,0 +1,33 @@
+#pragma once
+
+#include <utility>
+#include <variant>
+
+template <class... Ts>
+struct Overloaded : Ts...
+{
+	using Ts::operator()...;
+};
+template <class... Ts>
+Overloaded(Ts...) -> Overloaded<Ts...>;
+
+template <class... Args>
+struct VariantCastProxy
+{
+	std::variant<Args...> v;
+
+	template <class... ToArgs>
+	operator std::variant<ToArgs...>() const
+	{
+		return std::visit(
+			[](auto&& arg) -> std::variant<ToArgs...> { return arg; },
+			v);
+	}
+};
+
+/// Use snake_case naming to align with `static_cast`, `dynamic_cast`, etc..
+template <class... Args>
+auto variant_cast(std::variant<Args...> v) -> VariantCastProxy<Args...>
+{
+	return { std::move(v) };
+}