040000 tree 7fc1d1201df3ce601d5e7540ae578135fa20b344	bind
040000 tree a09b15845abdb9a763e0046dac900a4d05aefadf	function
040000 tree 7bf05ddd4752d5770a1f5196e834f875d0278c31	headers
100644 blob 9b86800ae489102939f41eb4f893db69de21af57	mem_fn.cc
040000 tree fc416638101baf1ad51d4074f03b107510fd3e27	reference_wrapper
100644 blob fbefc00ec6290fb9d558f493e04613382504d90f	result_of.cc