`of` and `to` functions, additional operators #71

Job	Run time
build-devcontainer	1m 27s
build (Debug, ubuntu-latest)	1m 11s
build (Debug, windows-latest)	3m 35s
build (Debug, macOS-latest)	51s
build (Release, ubuntu-latest)	1m 0s
build (Release, windows-latest)	3m 31s
build (Release, macOS-latest)	52s
	12m 27s

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