040000 tree d944da313b21169a7bb57162940bb1988284d6c0	base
040000 tree 3de6a8aee91bd267ea0856e640d303dbfdd092b9	cache
040000 tree 0265151b594e02420a1bad780d59825425684d57	collect
040000 tree f9a173fafe25dd1d15e728ff1fef616491c5d771	escape
040000 tree 6b9bfbbb85e060f9f42ccbab9224ff0fc01bc00e	primitives
040000 tree a06812f8b708fa783022887eea9bf0abbb3fb11a	util