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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Lint
# This cop checks for empty `ensure` blocks
#
# @example
#
# # bad
#
# def some_method
# do_something
# ensure
# end
#
# @example
#
# # bad
#
# begin
# do_something
# ensure
# end
#
# @example
#
# # good
#
# def some_method
# do_something
# ensure
# do_something_else
# end
#
# @example
#
# # good
#
# begin
# do_something
# ensure
# do_something_else
# end
class EmptyEnsure < Cop
MSG = 'Empty `ensure` block detected.'.freeze
def on_ensure(node)
add_offense(node, location: :keyword) unless node.body
end
def autocorrect(node)
lambda do |corrector|
corrector.remove(node.loc.keyword)
end
end
end
end
end
end
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