040000 tree 929ddb6c47d8fd61646beba0e9341b0340d12597	binary_size
040000 tree eb49cdbba4bbd38033758d70a4b0bed4030e95bb	d3
040000 tree b3a25d3b6c8ec40bf8ec60018500a0d168f03d9b	double-conversion