class RuboCop::Cop::Style::WordArray

def autocorrect(node)
  @interpolated = false
  contents = autocorrect_words(node.children, node.loc.line)
  char = @interpolated ? 'W' : 'w'
  lambda do |corrector|
    corrector.replace(node.loc.expression, "%#{char}(#{contents})")
  end
end