perf: better impl #397

Job	Run time
check_format	37s
build-native (windows-latest, x86_64-pc-windows-msvc)	1m 57s
build-native (windows-latest, i686-pc-windows-msvc)	2m 16s
build-native (windows-latest, aarch64-pc-windows-msvc)	2m 10s
build-native (ubuntu-latest, x86_64-unknown-linux-gnu)	30s
build-native (ubuntu-latest, aarch64-unknown-linux-gnu)	49s
build-native (ubuntu-latest, armv7-unknown-linux-gnueabihf)	37s
build-native (ubuntu-latest, x86_64-unknown-linux-musl)	46s
build-native (ubuntu-latest, aarch64-unknown-linux-musl)	37s
build-native (ubuntu-latest, armv7-unknown-linux-musleabihf)	40s
build-native (macos-latest, x86_64-apple-darwin)	45s
build-native (macos-latest, aarch64-apple-darwin)	37s
test (windows-latest)	1m 53s
test (ubuntu-latest)	1m 30s
test (macos-latest)	2m 36s
build	0s
release	0s
	18m 20s

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