fixup! Unused imports, variables and rewriting a fonction in point free syntax.
Unused Variables and rewriting some patterns for expressiveness
Remove unused imports, rewriting expressing, clean up.
Unused import, variables and rewriting an expression with isJust.
fixup! Unused Variables.
fixup! Unused imports, variables... Clean up
Remove unused imports, variables and esthetics and useless `$`.
Updating README.md.