040000 tree 9bc0ee350745606f4b3c510f2d87a9248d56a2e1	range.access
040000 tree 05d6a9896944e9ca70bd3cc59c5f03721baba4b3	range.adaptors
040000 tree 9db6b4607a385e55b602dd879515ba1af10e2239	range.factories
040000 tree c05433d9cd4ed8d5bbf8972d4071e266b06fb4c7	range.req
040000 tree 02b5ca3a6fa5ea79bc4049d91a185cfce1d96967	range.utility