1 files changed, 29 insertions, 0 deletions
diff --git a/source/20-codegen-runtime/Metadata.hpp b/source/20-codegen-runtime/Metadata.hpp
index a038c15..e89fd8f 100644
--- a/source/20-codegen-runtime/Metadata.hpp
+++ b/source/20-codegen-runtime/Metadata.hpp
@@ -2,3 +2,32 @@
 
 #include "MacrosCodegen.hpp"
 #include "MetadataBase.hpp"
+
+namespace Metadata {
+
+struct TypeInfoList {
+	struct Sentinel {
+	};
+
+	struct Iterator {
+		void* data;
+
+		const TypeInfo& operator*() const;
+		Iterator& operator++();
+		Iterator operator++(int);
+
+		bool operator==(const Iterator&) const;
+		bool operator==(const Sentinel&) const;
+	};
+
+	Iterator begin() const;
+	Sentinel end() const;
+};
+
+/// Get a list of all type infos present.
+const TypeInfoList& GetTypeInfoList();
+
+const TypeInfo* QueryTypeInfo(TypeId id);
+const TypeInfo* QueryTypeInfo(std::string_view name);
+
+} // namespace Metadata