Use MultiwayIf to simplify code #192

Job	Run time
Build Haskell (8.10.7, ubuntu-latest, 3.10.1.0)	1m 29s
Build Haskell (8.10.7, macos-latest, 3.10.1.0)	3m 19s
Build Haskell (8.10.7, windows-latest, 3.10.1.0)	2m 39s
Build Haskell (9.2.7, ubuntu-latest, 3.10.1.0)	1m 33s
Build Haskell (9.2.7, macos-latest, 3.10.1.0)	2m 48s
Build Haskell (9.2.7, windows-latest, 3.10.1.0)	2m 46s
Build Haskell (9.6.3, ubuntu-latest, 3.10.1.0)	58s
Build Haskell (9.6.3, macos-latest, 3.10.1.0)	1m 0s
Build Haskell (9.6.3, windows-latest, 3.10.1.0)	3m 28s
Build Haskell (9.8.1, ubuntu-latest, 3.10.1.0)	1m 3s
Build Haskell (9.8.1, macos-latest, 3.10.1.0)	1m 14s
Build Haskell (9.8.1, windows-latest, 3.10.1.0)	3m 2s
check	5s
release	0s
publish	0s
	25m 24s

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