040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 43856503de509575df99f296989f3614e777c450	library_desugar
040000 tree 5dcefddf6350c83047d2b5fffd29d4fe27053a72	main
040000 tree d213b2750224e482acd83d8977812f553174f8fa	test