func (n *routingNode) addSegments(segs []segment, p *pattern, h Handler) {
	if len(segs) == 0 {
		n.set(p, h)
		return
	}
	seg := segs[0]
	if seg.multi {
		if len(segs) != 1 {
			panic("multi wildcard not last")
		}
		c := &routingNode{}
		n.multiChild = c
		c.set(p, h)
	} else if seg.wild {
		n.addChild("").addSegments(segs[1:], p, h)
	} else {
		n.addChild(seg.s).addSegments(segs[1:], p, h)
	}
}

	}

	var (
		methods   = []string{"", "GET ", "HEAD ", "POST "}
		hosts     = []string{"", "h1", "h2"}
		segs      = []string{"/a", "/b", "/{x}"}
		finalSegs = []string{"/a", "/b", "/{f}", "/{m...}", "/{$}"}
	)

	g := genConcat(
		genChoice(methods),
		genChoice(hosts),
		genStar(3, genChoice(segs)),
		genChoice(finalSegs))
	g(collect)
	return pats
}

	}
	if err := visitor.VisitFuncs(emitter); err != nil {
		return err
	}
	return nil
}

func (cfw *CoverageDataWriter) writeFooter() error {
	cfw.segs++
	cf := coverage.CounterFileFooter{
		Magic:       coverage.CovCounterMagic,
		NumSegments: cfw.segs,
	}
	if err := binary.Write(cfw.w, binary.LittleEndian, cf); err != nil {
		return err
	}
	return nil

    protected void setUp() throws Exception {
        file1 = File.createTempFile("kuromoji_", ".txt");
        FileUtil.write(
                file1.getAbsolutePath(),
                "token1,seg1,reading1,pos1\ntoken2,seg2,reading2,pos2\ntoken3,seg3,reading3,pos3"
                        .getBytes(Constants.UTF_8));
    }

    @Override
    protected void tearDown() throws Exception {
        file1.delete();
    }
    */

	if d == 0 {
		d = defaultTCPKeepAliveIdle
	} else if d < 0 {
		return nil
	}

	// The kernel expects seconds so round to next highest second.
	secs := int(roundDurationUp(d, time.Second))
	err := fd.pfd.SetsockoptInt(syscall.IPPROTO_TCP, syscall.TCP_KEEPALIVE, secs)
	runtime.KeepAlive(fd)
	return wrapSyscallError("setsockopt", err)
}

func setKeepAliveInterval(fd *netFD, d time.Duration) error {
	if d == 0 {

        then:
        timer.getElapsed() == "51.243 secs"
    }

    def testOnlySecondsEvenMs() {
        when:
        setTime(4000)

        then:
        timer.getElapsed() == "4.0 secs"
    }

    def testMinutesAndSeconds() {
        when:
        setTime(0, 32, 40, 322)

        then:
        timer.getElapsed() == "32 mins 40.322 secs"
    }

    def testHoursMinutesAndSeconds() {

	if d == 0 {
		d = defaultTCPKeepAliveIdle
	} else if d < 0 {
		return nil
	}

	// The kernel expects seconds so round to next highest second.
	secs := int(roundDurationUp(d, time.Second))
	err := fd.pfd.SetsockoptInt(syscall.IPPROTO_TCP, syscall.TCP_KEEPIDLE, secs)
	runtime.KeepAlive(fd)
	return wrapSyscallError("setsockopt", err)
}

func setKeepAliveInterval(fd *netFD, d time.Duration) error {
	if d == 0 {

	}

	if d == 0 {
		d = defaultTCPKeepAliveIdle
	} else if d < 0 {
		return nil
	}
	// The kernel expects seconds so round to next highest second.
	secs := int(roundDurationUp(d, time.Second))
	err := fd.pfd.SetsockoptInt(syscall.IPPROTO_TCP, windows.TCP_KEEPIDLE, secs)
	runtime.KeepAlive(fd)
	return os.NewSyscallError("setsockopt", err)
}

func setKeepAliveInterval(fd *netFD, d time.Duration) error {

	}

	if d == 0 {
		d = defaultTCPKeepAliveIdle
	} else if d < 0 {
		return nil
	}
	// The kernel expects seconds so round to next highest second.
	secs := int(roundDurationUp(d, time.Second))
	err := fd.pfd.SetsockoptInt(syscall.IPPROTO_TCP, sysTCP_KEEPIDLE, secs)
	runtime.KeepAlive(fd)
	return wrapSyscallError("setsockopt", err)
}

func setKeepAliveInterval(fd *netFD, d time.Duration) error {

    }

    protected boolean compare(String expected, String actual) {
        if (actual == expected) {
            return true
        }

        if (expected == 'Total time: 1 secs') {
            return actual.matches('Total time: .+ secs')
        }

        // Normalise default object toString() values
        actual = actual.replaceAll('(\\w+(\\.\\w+)*)@\\p{XDigit}+', '$1@12345')
        // Normalise file separators