Merge branch 'functional' into krys/functional_rosette #3574

Job	Run time
test-linux (ubuntu-20.04, focal, clang-12, c++11)	2m 50s
test-linux (ubuntu-20.04, focal, clang-12, c++14)	3m 19s
test-linux (ubuntu-20.04, focal, clang-12, c++17)	13m 37s
test-linux (ubuntu-20.04, focal, clang-12, c++20)	13m 54s
test-linux (ubuntu-20.04, focal, gcc-11, c++11)	2m 48s
test-linux (ubuntu-20.04, focal, gcc-11, c++14)	2m 46s
test-linux (ubuntu-20.04, focal, gcc-11, c++17)	11m 30s
test-linux (ubuntu-20.04, focal, gcc-11, c++20)	12m 7s
test-linux (ubuntu-20.04, focal, clang-11, c++11)	3m 1s
test-linux (ubuntu-20.04, focal, gcc-10, c++11)	2m 4s
	1h 7m 56s

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