Merge pull request #653 from oldgalileo/master #393

Job	Run time
build_and_test (ubuntu-latest)	1m 2s
cargo-doc	17s
build_and_test (windows-latest)	2m 57s
build_and_test (macos-latest)	1m 4s
msrv	14s
run_all_examples	1m 23s
test_all_features	1m 2s
	7m 59s

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