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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Lint
# This cop looks for uses of flip-flop operator
# based on the Ruby Style Guide.
#
# Here is the history of flip-flops in Ruby.
# flip-flop operator is deprecated in Ruby 2.6.0 and
# the deprecation has been reverted by Ruby 2.7.0 and
# backported to Ruby 2.6.
# See: https://bugs.ruby-lang.org/issues/5400
#
# @example
# # bad
# (1..20).each do |x|
# puts x if (x == 5) .. (x == 10)
# end
#
# # good
# (1..20).each do |x|
# puts x if (x >= 5) && (x <= 10)
# end
class FlipFlop < Base
MSG = 'Avoid the use of flip-flop operators.'
def on_iflipflop(node)
add_offense(node)
end
def on_eflipflop(node)
add_offense(node)
end
end
end
end
end
Version data entries
59 entries across 59 versions & 6 rubygems