tests/headers/nested_within_namespace.hpp - third_party/github.com/rust-lang/rust-bindgen - Git at Google

 // bindgen-flags: --enable-cxx-namespaces

 namespace foo {
   class Bar {
     int foo;

     class Baz {
       int foo;
     };
   };

   class Baz {
     int baz;
   };
 }
	// bindgen-flags: --enable-cxx-namespaces

	namespace foo {
	class Bar {
	int foo;

	class Baz {
	int foo;
	};
	};

	class Baz {
	int baz;
	};
	}