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Versions: 6792

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Stored size: 778 Bytes

Contents

# frozen_string_literal: true

module RuboCop
  module Cop
    module Lint
      # This cop checks for the presence of empty expressions.
      #
      # @example
      #
      #   # bad
      #
      #   foo = ()
      #   if ()
      #     bar
      #   end
      #
      # @example
      #
      #   # good
      #
      #   foo = (some_expression)
      #   if (some_expression)
      #     bar
      #   end
      class EmptyExpression < Cop
        MSG = 'Avoid empty expressions.'.freeze

        def on_begin(node)
          return unless empty_expression?(node)

          add_offense(node, location: node.source_range)
        end

        private

        def empty_expression?(begin_node)
          begin_node.children.empty?
        end
      end
    end
  end
end

Version data entries

6,792 entries across 6,786 versions & 25 rubygems

Version Path
rubocop-0.67.1 lib/rubocop/cop/lint/empty_expression.rb
rubocop-0.67.0 lib/rubocop/cop/lint/empty_expression.rb
rubocop-0.66.0 lib/rubocop/cop/lint/empty_expression.rb
rubocop-0.65.0 lib/rubocop/cop/lint/empty_expression.rb
rubocop-0.64.0 lib/rubocop/cop/lint/empty_expression.rb
rubocop-0.63.1 lib/rubocop/cop/lint/empty_expression.rb
rubocop-0.63.0 lib/rubocop/cop/lint/empty_expression.rb
rubocop-0.62.0 lib/rubocop/cop/lint/empty_expression.rb
rubocop-0.61.1 lib/rubocop/cop/lint/empty_expression.rb
rubocop-0.61.0 lib/rubocop/cop/lint/empty_expression.rb
config_gems_initialization_aim-0.1.4 vendor/bundle/ruby/2.5.0/gems/rubocop-0.60.0/lib/rubocop/cop/lint/empty_expression.rb
config_gems_initialization_aim-0.1.4 vendor/bundle/ruby/2.5.0/gems/config_gems_initialization_aim-0.1.1/vendor/bundle/ruby/2.5.0/gems/rubocop-0.60.0/lib/rubocop/cop/lint/empty_expression.rb
config_gems_initialization_aim-0.1.3 vendor/bundle/ruby/2.5.0/gems/rubocop-0.60.0/lib/rubocop/cop/lint/empty_expression.rb
config_gems_initialization_aim-0.1.3 vendor/bundle/ruby/2.5.0/gems/config_gems_initialization_aim-0.1.1/vendor/bundle/ruby/2.5.0/gems/rubocop-0.60.0/lib/rubocop/cop/lint/empty_expression.rb
rubocop-0.60.0 lib/rubocop/cop/lint/empty_expression.rb
rubocop-0.59.2 lib/rubocop/cop/lint/empty_expression.rb
rubocop-0.59.1 lib/rubocop/cop/lint/empty_expression.rb
rubocop-0.59.0 lib/rubocop/cop/lint/empty_expression.rb
rubocop-0.58.2 lib/rubocop/cop/lint/empty_expression.rb
rubocop-0.58.1 lib/rubocop/cop/lint/empty_expression.rb