040000 tree 0d0da7f971b3c28269db84ad544bc4097cf487b9	collections
040000 tree 250ea4254383d4268cd02f97ddf6617ebda42547	documentation
040000 tree 01af92f4727464802ff8b96faf24f2f0a56baf1d	exec
040000 tree e73c8a48b870119ef109330c185b1237e39e4683	gui
040000 tree 4f2a8d785f727c2a490e57d8c97863e9bcc568d0	io
040000 tree 8def876d6b9c5ec5f01cce858784fa16287dd5ac	logging
040000 tree 9db0edbfb7674f5626423ffde49c85ae85a1d9b8	math
040000 tree 709a825c1d4bec6be464bb63da2a70e583576471	reflect
040000 tree 3d52f3567ee7ac0c3402edb1b55ec094e23b3656	test
040000 tree 4a944a47c3ab67fd2fe5f76be638729cf0252a3f	util