equal (Spec::Matchers)

    # File lib/spec/matchers/equal.rb, line 16
        def equal(expected)
          Matcher.new :equal, expected do |_expected_|
            match do |actual|
              actual.equal?(_expected_)
            end

            def inspect_object(o)
              "#<#{o.class}:#{o.object_id}> => #{o.inspect}"
            end

            failure_message_for_should do |actual|
              "\nexpected \#{inspect_object(_expected_)}\ngot \#{inspect_object(actual)}\n\nCompared using equal?, which compares object identity,\nbut expected and actual are not the same object. Use\n'actual.should == expected' if you don't care about\nobject identity in this example.\n\n"
            end

            failure_message_for_should_not do |actual|
              "\nexpected not \#{inspect_object(actual)}\ngot \#{inspect_object(_expected_)}\n\nCompared using equal?, which compares object identity.\n\n"
            end
          end
        end