040000 tree 69137ebc485c141b770e00418e6b9f268d31d1d9	assign
040000 tree 6ac0d1942224082a06706a47426398b79d00e28e	clear
040000 tree 2dd2dc3c9ad526a6cea51e897733cb7dc0ca8432	erase
040000 tree d6f04d98f0de0c93b91fb0831f07991b68f09816	insert
040000 tree 6b29fba8a6b90946f498da42bca3afe3064c9a87	pop_back
040000 tree 1881755690bfb994cd4bc4e6090d94bc397ef190	replace