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Versions: 6792
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Stored size: 759 Bytes
Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Lint
# This cop checks for the presence of `when` branches without a body.
#
# @example
#
# # bad
#
# case foo
# when bar then 1
# when baz then # nothing
# end
#
# @example
#
# # good
#
# case foo
# when bar then 1
# when baz then 2
# end
class EmptyWhen < Cop
MSG = 'Avoid `when` branches without a body.'.freeze
def on_case(node)
node.each_when do |when_node|
next if when_node.body
add_offense(when_node, location: when_node.source_range)
end
end
end
end
end
end
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6,792 entries across 6,786 versions & 25 rubygems