Sha256: ae103995da1b8b09561ce9adacce3e748947f51ee74d5e2e879a0d21315c3614
Contents?: true
Size: 923 Bytes
Versions: 17
Compression:
Stored size: 923 Bytes
Contents
# encoding: utf-8
module RuboCop
module Cop
module Style
# This cop makes sure that certain operator methods have their sole
# parameter named `other`.
class OpMethod < Cop
MSG = 'When defining the `%s` operator, name its argument `other`.'
OP_LIKE_METHODS = [:eql?, :equal?]
BLACKLISTED = [:+@, :-@, :[], :[]=, :<<]
TARGET_ARGS = [s(:args, s(:arg, :other)), s(:args, s(:arg, :_other))]
def on_def(node)
name, args, _body = *node
return unless op_method?(name) &&
args.children.size == 1 &&
!TARGET_ARGS.include?(args)
add_offense(args.children[0], :expression, format(MSG, name))
end
def op_method?(name)
return false if BLACKLISTED.include?(name)
name !~ /\A\w/ || OP_LIKE_METHODS.include?(name)
end
end
end
end
end
Version data entries
17 entries across 17 versions & 1 rubygems