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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks for numbered parameters.
#
# It can either restrict the use of numbered parameters to
# single-lined blocks, or disallow completely numbered parameters.
#
# @example EnforcedStyle: allow_single_line (default)
# # bad
# collection.each do
# puts _1
# end
#
# # good
# collection.each { puts _1 }
#
# @example EnforcedStyle: disallow
# # bad
# collection.each { puts _1 }
#
# # good
# collection.each { |item| puts item }
#
class NumberedParameters < Base
include ConfigurableEnforcedStyle
extend TargetRubyVersion
MSG_DISALLOW = 'Avoid using numbered parameters.'
MSG_MULTI_LINE = 'Avoid using numbered parameters for multi-line blocks.'
minimum_target_ruby_version 2.7
def on_numblock(node)
if style == :disallow
add_offense(node, message: MSG_DISALLOW)
elsif node.multiline?
add_offense(node, message: MSG_MULTI_LINE)
end
end
end
end
end
end
Version data entries
195 entries across 188 versions & 19 rubygems