class RuboCop::Cop::Lint::Void

def check_var(node)
  return unless node.variable? || node.const_type?
  if node.const_type? && node.special_keyword?
    add_offense(node, message: format(VAR_MSG, var: node.source)) do |corrector|
      autocorrect_void_expression(corrector, node)
    end
  else
    add_offense(node.loc.name,
                message: format(VAR_MSG, var: node.loc.name.source)) do |corrector|
      autocorrect_void_expression(corrector, node)
    end
  end
end