040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 43856503de509575df99f296989f3614e777c450	library_desugar
040000 tree d764e16f0b737d84dbf12341c436bcd0a6e69b27	main
040000 tree e1b8b75bd85839fc46a048c8542a8df1878052cf	test