Merge pull request #54 from sylvestre/clippy #177

Job	Run time
cargo fmt --all -- --check	12s
cargo check (ubuntu-latest)	21s
Code Coverage (ubuntu-latest, unix)	1m 58s
cargo clippy -- -D warnings (ubuntu-latest)	19s
cargo check (macOS-latest)	48s
Code Coverage (macos-latest, macos)	5m 40s
cargo check (windows-latest)	1m 30s
cargo clippy -- -D warnings (macOS-latest)	44s
cargo test (ubuntu-latest)	31s
Code Coverage (windows-latest, windows)	4m 58s
cargo clippy -- -D warnings (windows-latest)	1m 16s
cargo test (macOS-latest)	42s
cargo test (windows-latest)	1m 34s
	20m 33s

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