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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Style
# This cop checks for *when;* uses in *case* expressions.
#
# @example
# # bad
# case foo
# when 1; 'baz'
# when 2; 'bar'
# end
#
# # good
# case foo
# when 1 then 'baz'
# when 2 then 'bar'
# end
class WhenThen < Cop
MSG = 'Do not use `when x;`. Use `when x then` instead.'.freeze
def on_when(node)
return if node.multiline? || node.then? || !node.body
add_offense(node, location: :begin)
end
def autocorrect(node)
lambda do |corrector|
corrector.replace(node.loc.begin, ' then')
end
end
end
end
end
end
Version data entries
6,836 entries across 6,830 versions & 26 rubygems