040000 tree 0d0da7f971b3c28269db84ad544bc4097cf487b9	collections
040000 tree 250ea4254383d4268cd02f97ddf6617ebda42547	documentation
040000 tree 3ad37da1e7f308f6323a9208954ef48fa5142856	exec
040000 tree b20654b6acaf70c7fe1e101db9b9f39d961de306	gui
040000 tree 9d586a6a5dbde1c4a536aeebf98a9544c88ca100	io
040000 tree 8def876d6b9c5ec5f01cce858784fa16287dd5ac	logging
040000 tree 6bb2bc8fa6ac056262308e6d1e8244a08ac74520	math
040000 tree ca65b485f525ea6ebef6d8f96e149b2069431945	reflect
040000 tree 3d52f3567ee7ac0c3402edb1b55ec094e23b3656	test
040000 tree 83e752d921d38e0602df619e41d42e453e7d1a50	util