Merge pull request #88 from kov/cmp #315

Job	Run time
cargo fmt --all -- --check	5s
cargo test (ubuntu-latest)	35s
cargo check (ubuntu-latest)	7s
cargo test (macOS-latest)	3m 27s
cargo check (macOS-latest)	10s
cargo test (windows-latest)	3m 2s
cargo clippy -- -D warnings (ubuntu-latest)	9s
Code Coverage (ubuntu-latest, unix)	1m 55s
cargo check (windows-latest)	2m 26s
cargo clippy -- -D warnings (macOS-latest)	16s
Code Coverage (macos-latest, macos)	2m 29s
cargo clippy -- -D warnings (windows-latest)	43s
Code Coverage (windows-latest, windows)	5m 26s
GNU test suite	26s
	21m 16s

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