Merge pull request #342 from Wollaston/master #612

Job	Run time
no-std build (aarch64-unknown-none)	26s
Lints	23s
no-std build (thumbv6m-none-eabi)	24s
Check	20s
Test Suite (ubuntu-latest, MSRV)	3m 7s
Test Suite (ubuntu-latest, stable)	2m 50s
Test Suite (macos-latest, MSRV)	2m 10s
Coverage	32s
Test Suite (macos-latest, stable)	2m 16s
Test Suite (windows-latest, MSRV)	9m 3s
Test Suite (windows-latest, stable)	10m 25s
Release	0s
	31m 56s

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