040000 tree 984e2a63f3e3d7b5b163669bfb063d65bb2bd47b	range.access
040000 tree 1c73b7333f86464c790e16f8abd2c4153a49ba4c	range.adaptors
040000 tree 9409742e6b0a812ebc8a062c7bd57f43a9e734cf	range.factories
040000 tree 18ba3f5f288508653eb710fa1f383048d5530282	range.req
040000 tree f49af172e24961feb058c9a922eae25c5b76110c	range.utility