if err != nil {
				return fmt.Errorf("failed to find 'lo' link: %v", err)
			}
			tproxyTable, err := strconv.Atoi(cfg.InboundTProxyRouteTable)
			if err != nil {
				return fmt.Errorf("failed to parse InboundTProxyRouteTable: %v", err)
			}
			tproxyMark, err := strconv.Atoi(cfg.InboundTProxyMark)
			if err != nil {
				return fmt.Errorf("failed to parse InboundTProxyMark: %v", err)
			}

		if len(parts) < 6 || parts[idx] != value || parts[0] == "" ||
			parts[0][0] == '+' || parts[0][0] == '-' {
			return
		}
		if _, err := strconv.Atoi(parts[2]); err != nil {
			return nil, nil
		}
		if _, err := strconv.Atoi(parts[3]); err != nil {
			return nil, nil
		}
		u := &User{
			Username: parts[0],
			Uid:      parts[2],
			Gid:      parts[3],
			Name:     parts[4],

	fn1 := func() int {
		var i interface{} = v
		val := fn(i.(T))
		return val
	}
	return fn1()
}

func main() {
	want := 123
	got := test1(func(s string) int {
		r, err := strconv.Atoi(s)
		if err != nil {
			return 0
		}
		return r
	}, "123")
	if got != want {
		panic(fmt.Sprintf("got %f, want %f", got, want))
	}

func majmin() (major int, minor int, err error) {
	var v Utsname
	err = Uname(&v)
	if err != nil {
		return
	}

	major, err = strconv.Atoi(string(v.Release[0]))
	if err != nil {
		err = errors.New("cannot parse major version number returned by uname")
		return
	}

	minor, err = strconv.Atoi(string(v.Release[2]))
	if err != nil {
		err = errors.New("cannot parse minor version number returned by uname")
		return
	}

	return

	case "beta":
		vType = versionTypeBeta
	case "":
		vType = versionTypeGA
	default:
		return 0, 0, 0, false
	}
	if majorVersion, err = strconv.Atoi(submatches[1]); err != nil {
		return 0, 0, 0, false
	}
	if vType != versionTypeGA {
		if minorVersion, err = strconv.Atoi(submatches[3]); err != nil {
			return 0, 0, 0, false
		}
	}
	return majorVersion, vType, minorVersion, true
}

	if err != nil {
		return -1
	}
	v, err := strconv.Atoi(clusterVersion.Major + clusterVersion.Minor)
	if err != nil {
		// Apparently some clusters don't put proper numbers here. Try GitVersion
		vp, err := version.ParseGeneric(clusterVersion.GitVersion)
		if err != nil {
			// no good
			return -1
		}
		np, err := strconv.Atoi(fmt.Sprintf("%d%d", vp.Major(), vp.Minor()))
		if err != nil {
			// no good...

			if ifi == nil || name == ifi.Name {
				// The Linux kernel puts the IP
				// address in /proc/net/igmp in native
				// endianness.
				for i := 0; i+1 < len(f[0]); i += 2 {
					b[i/2], _ = xtoi2(f[0][i:i+2], 0)
				}
				i := *(*uint32)(unsafe.Pointer(&b[:4][0]))
				ifma := &IPAddr{IP: IPv4(byte(i>>24), byte(i>>16), byte(i>>8), byte(i))}
				ifmat = append(ifmat, ifma)
			}
		}
	}
	return ifmat

//
//	version.Info{Major:"1", Minor:"2+"} -> 1,2
//	version.Info{Major:"1", Minor:"2.3-build4"} -> 1,2
func MajorMinor(v version.Info) (int, int, error) {
	major, err := strconv.Atoi(v.Major)
	if err != nil {
		return 0, 0, err
	}
	minor, err := strconv.Atoi(leadingDigits.FindString(v.Minor))
	if err != nil {
		return 0, 0, err
	}
	return major, minor, nil
}

					tag        = strings.Join(v[1:], ":")
					idx        = strings.Index(tag, ",")
					tagSetting = strings.Join(strings.Split(tag, ",")[1:], ",")
					settings   = ParseTagSetting(tagSetting, ",")
					length, _  = strconv.Atoi(settings["LENGTH"])
				)

				if idx == -1 {
					idx = len(tag)
				}

				if idx != -1 {
					name = tag[0:idx]
				}

				if name == "" {
					subName := field.Name

package main

import (
	"os"
	"strconv"
)

func f(left, right chan int) {
	left <- <-right
}

func main() {
	var n = 10000
	if len(os.Args) > 1 {
		var err error
		n, err = strconv.Atoi(os.Args[1])
		if err != nil {
			print("bad arg\n")
			os.Exit(1)
		}
	}
	leftmost := make(chan int)
	right := leftmost
	left := leftmost
	for i := 0; i < n; i++ {
		right = make(chan int)