040000 tree 1d413f781fd6d827a69e8444fd34e825efbd4040	internal
100644 blob a29f2eabce13c717ff1aa87ef9200868c82adb49	optional.h
100644 blob 70f9d0964c53b269c8b84cbfb0ac4386b6d03a59	string_view.h
100644 blob 82e3030eded9af63ae56d03e99ad6747f7024ddf	type_traits.h
100644 blob 5f77a5db8db35515ee2240796ede862269cd1a65	utility.h
100644 blob 2d9fe582dd3556398a4116f826f8988e9646f044	variant.h
100644 blob b9c055e060456c2bfa1fc999da7befd69ce9c3f3	version.h