100644 blob f9086f70a9a91d38976ca46588920effb0837cbf	assign.cc
040000 tree ff9bdb8b1d2e4681f3b4e6062dde8d4118104577	cons
100644 blob 1a8c6e6176cb413a81e1e8042d3ba081e2759ccd	in_place.cc
100644 blob 5814e51a382c6739f3c8240fc25facb86338240f	make_optional.cc
100644 blob eea0df2cfe25dae22ac33889af4b96435293a80a	modifiers.cc
100644 blob 006f91c3e9c84373e8a94cae7a971446191464e0	nullopt.cc
040000 tree c5971c52df277f09bbc5bc096cce243043256851	observers
040000 tree 4a5f9e7e85899f182fb085cffb74b4770e130435	relops
100644 blob 57f5cd20bdb8489c3233247a4d75062838f27e59	swap.cc