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Feature #6693

closed

Don't warn for unused variables starting with _

Added by marcandre (Marc-Andre Lafortune) over 11 years ago. Updated almost 11 years ago.

Status:
Closed
Target version:
[ruby-core:46160]

Description

Currently, variables which are set but not used will generate a warning (ruby -w), except if they have the special name "_".

So best practice is to use "_" for all unused variables. This does not encourage readable code.

# Currently must read:
_, _, _, suffix = parse_name

# could read:
_first, _middle, _last, suffix = parse_name

We should not warn for unused variables starting with a "_".

This would create an option (but no obligation) to use more descriptive names than "_" without generating warnings.

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