Style-NumberedParameters.md

Pattern: Malformed numbered parameters

Issue: -

Description

This rule checks for numbered parameters.

It can either restrict the use of numbered parameters to single-lined blocks, or disallow completely numbered parameters.

Examples

EnforcedStyle: allow_single_line (default)

# bad
collection.each do
  puts _1
end

# good
collection.each { puts _1 }

EnforcedStyle: disallow

# bad
collection.each { puts _1 }

# good
collection.each { |item| puts item }

Configurable attributes

Name	Default value	Configurable values
EnforcedStyle	allow_single_line	allow_single_line, disallow

Further Reading

• RuboCop - Style/NumberedParameters