040000 tree d0770d8b555797b79314cd532b49ce31e42fdd43	range.access
040000 tree f2315b253dc687908ed00d8adc9f03070f551a7d	range.adaptors
040000 tree 9b33308988d85c15a73faa06aabeba3d0413411f	range.factories
040000 tree 14a4fc6f156b11ac561ba830169e7aa7453d8968	range.req
040000 tree e007e4fe8ed0ef455bf5319f4bfdc1717240b11d	range.utility