class RSpec::Mocks::BaseExpectation

def and_return(*values, &return_block)
  Kernel::raise AmbiguousReturnError unless @method_block.nil?
  case values.size
    when 0 then value = nil
    when 1 then value = values[0]
  else
    value = values
    @consecutive = true
    @expected_received_count = values.size if !ignoring_args? &&
                                              @expected_received_count < values.size
  end
  @return_block = block_given? ? return_block : lambda { value }
end