040000 tree 516abdd192e722c3d8ed95da7a44e40efa748a38	compare
040000 tree 5b67d412996e3c087fd7344a18f1dabd66edf4a7	copy
040000 tree bf852c3d28df8b2d58feb7556b8994c628d52d78	data
040000 tree dfa6fca772547d8322e21961d037c86b0000936d	find
040000 tree 359152294861e5ef2f9085e365311399072d3520	rfind
040000 tree 46c6795258b5377ec8bd4c854c3bf7d90c41a6b3	string_conversion
040000 tree 97f9531cf4303b45d914f18321be63e8505129a5	substr