040000 tree 3b86b9dbbffbffe93406d6589a9c270e148df95f	associative
040000 tree 606aedd393d9185c350294c91f72eca2756526ec	container.adaptors
040000 tree 9559731c9bcb440da05e9ecf0b977b55c32702c0	gnu_cxx
040000 tree e321ee220320226bcd1d4751aa2d1c0bf7443cef	sequences
040000 tree e4f87825aafae433e70b81709438f277d253b70c	unord