Refactor nested match #103

Job	Run time
macos (macos-15-intel, x86_64)	1m 26s
musllinux (ubuntu-22.04, x86)	1m 29s
macos (macos-latest, aarch64)	43s
windows (windows-11-arm, aarch64, arm64)	1m 55s
windows (windows-latest, x86, x86)	1m 39s
musllinux (ubuntu-22.04, aarch64)	1m 21s
linux (ubuntu-22.04, x86_64)	1m 20s
sdist	10s
linux (ubuntu-22.04, x86)	2m 21s
linux (ubuntu-22.04, s390x)	2m 3s
musllinux (ubuntu-22.04, armv7)	1m 19s
linux (ubuntu-22.04, ppc64le)	3m 19s
musllinux (ubuntu-22.04, x86_64)	1m 30s
windows (windows-latest, x64, x64)	2m 54s
linux (ubuntu-22.04, aarch64)	2m 0s
linux (ubuntu-22.04, armv7)	1m 41s
Release	0s
	27m 10s

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