040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 43856503de509575df99f296989f3614e777c450	library_desugar
040000 tree f5e1071f8ad0defcfa553fa5037478629b4fed33	main
040000 tree a6546cf32dac403588716df0b587ac15ee853b03	test