040000 tree bd7c1e408665742c4acdb48b2ee4a1b2202dbdff	cxxopts
040000 tree 39271a5c53a403f72197168ef65017365e3fabc3	doctest
040000 tree 38c6a62856fa8d9da416c1e24b9a445e1a2c2d6c	fmt
040000 tree 7653190b099dd0d2e49072d049e08eb413ffbb18	ghc
040000 tree 642e21d69f1955983a1a9a7057ecb8fb8ccd7bb6	half
040000 tree 254af8d0c19adab2850da17352a277f8d5536b64	mapbox
040000 tree 4e1783d0d5236675c4ec9b9ccee78171fad553ef	stb