Implemented ... for matching #16

Job	Run time
test (stable, ubuntu-latest)	39s
test (stable, windows-latest)	2m 17s
test (stable, macos-latest)	1m 45s
test (stable, --all-features, ubuntu-latest)	1m 59s
test (stable, --all-features, windows-latest)	4m 0s
test (stable, --all-features, macos-latest)	4m 39s
test (1.70.0, ubuntu-latest)	40s
test (1.70.0, windows-latest)	1m 8s
test (1.70.0, macos-latest)	1m 46s
test (1.70.0, --all-features, ubuntu-latest)	1m 45s
test (1.70.0, --all-features, windows-latest)	3m 11s
test (1.70.0, --all-features, macos-latest)	3m 0s
	26m 49s

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