wip fold not nil #125

Job	Run time
Provide additional context for the workflow	4s
Build release binaries (Linux)	6m 52s
Build release binaries (macOS)	6m 16s
Build release binaries (macOS (M1))	2m 58s
Build release binaries (Windows)	10m 50s
Build and test tooling (Linux)	2m 53s
Build source archive	2m 43s
Build and test tooling (macOS)	3m 49s
Build docs and release artifacts (Linux)	7m 0s
Test the compiler and stdlib (Linux, batch #0)	4m 53s
Build and test tooling (macOS (M1))	2m 3s
Build and test tooling (Windows)	3m 35s
Build docs and release artifacts (macOS)	6m 22s
Test the compiler and stdlib (Linux, batch #1)	4m 55s
Test the compiler and stdlib (macOS, batch #0)	6m 31s
Build docs and release artifacts (macOS (M1))	3m 52s
Test the compiler and stdlib (macOS, batch #1)	5m 43s
Build docs and release artifacts (Windows)	12m 31s
Test the compiler and stdlib (macOS (M1), batch #0)	4m 20s
Test the compiler and stdlib (macOS (M1), batch #1)	2m 57s
Test the compiler and stdlib (Windows, batch #0)	9m 11s
Test the compiler and stdlib (Windows, batch #1)	9m 21s
Build release artifacts from source archive (Linux)	10m 4s
Build release artifacts from source archive (macOS)	8m 47s
Build release artifacts from source archive (macOS (M1))	5m 0s
Build release artifacts from source archive (Windows)	18m 47s
Test release artifacts	49s
All check passed	1s
	2h 43m 7s

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