Refactor `if let` to `match` #108

Job	Run time
sdist	11s
macos (macos-latest, aarch64)	43s
windows (windows-latest, x64, x64)	1m 59s
musllinux (ubuntu-22.04, x86)	1m 35s
macos (macos-15-intel, x86_64)	1m 3s
musllinux (ubuntu-22.04, x86_64)	1m 48s
windows (windows-latest, x86, x86)	2m 16s
musllinux (ubuntu-22.04, armv7)	1m 44s
musllinux (ubuntu-22.04, aarch64)	1m 46s
windows (windows-11-arm, aarch64, arm64)	2m 39s
linux (ubuntu-22.04, s390x)	2m 5s
linux (ubuntu-22.04, armv7)	2m 0s
linux (ubuntu-22.04, x86_64)	1m 34s
linux (ubuntu-22.04, aarch64)	1m 55s
linux (ubuntu-22.04, ppc64le)	1m 48s
linux (ubuntu-22.04, x86)	1m 53s
Release	0s
	26m 59s

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