100644 blob dd69c757ad2e63232e74b5d1b09122c4feb4f7e0	check_type.cc
100644 blob e3c2328751d769d6cd34624b82b05113767d2bdf	constexpr.cc
100644 blob c35e343c6855d98a0d7f2122ee6445515028c409	constrained.cc
040000 tree 0f3c85e3c45f6b94332fbdaaba006862a6498d76	requirements