Some clippy fixes

[sylvestre]

Done with:
$ cargo clippy --fix --allow-dirty -- -W clippy::pedantic

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 94.89%. Comparing base (a570d8a) to head (700a74e).

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #75   +/-   ##
=======================================
  Coverage   94.89%   94.89%           
=======================================
  Files           4        4           
  Lines         941      941           
=======================================
  Hits          893      893           
  Misses         48       48           

Flag	Coverage Δ
macos_latest	99.30% <100.00%> (ø)
ubuntu_latest	99.31% <100.00%> (ø)
windows_latest	94.40% <100.00%> (ø)

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