Shift4     []int
	Table1     []uint32
	Table2     []uint32
	Table3     []uint32
	Table4     []uint32
}

var funcs = template.FuncMap{
	"dup":     dup,
	"relabel": relabel,
	"rotate":  rotate,
	"idx":     idx,
	"seq":     seq,
}

func dup(count int, x []int) []int {
	var out []int
	for i := 0; i < count; i++ {
		out = append(out, x...)
	}
	return out
}

func relabel(s string) string {

	if _, ok := v.m.Load(key); !ok {
		if _, dup := v.m.LoadOrStore(key, av); !dup {
			v.addKey(key)
			return
		}
	}

	v.m.Store(key, av)
}

// Add adds delta to the *[Int] value stored under the given map key.
func (v *Map) Add(key string, delta int64) {
	i, ok := v.m.Load(key)
	if !ok {
		var dup bool
		i, dup = v.m.LoadOrStore(key, new(Int))
		if !dup {
			v.addKey(key)
		}
	}

	// translated such that its top-left corner is (0, 0), so that the single
	// frame completely fills the overall GIF's bounds.
	if pm.Rect.Min != (image.Point{}) {
		dup := *pm
		dup.Rect = dup.Rect.Sub(dup.Rect.Min)
		pm = &dup
	}

	return EncodeAll(w, &GIF{
		Image: []*image.Paletted{pm},
		Delay: []int{0},
		Config: image.Config{
			ColorModel: pm.Palette,
			Width:      b.Dx(),

	if d.state != spongeAbsorbing {
		panic("sha3: Sum after Read")
	}

	// Make a copy of the original hash so that caller can keep writing
	// and summing.
	dup := d.clone()
	hash := make([]byte, dup.outputLen, 64) // explicit cap to allow stack allocation
	dup.Read(hash)
	return append(in, hash...)

stderr '^go: -mod may only be set to readonly or vendor when in workspace mode'
env GOWORK=off
go list -mod=mod all
env GOWORK=

# Test that duplicates in the use list return an error
cp go.work go.work.backup
cp go.work.dup go.work
! go run example.com/b
stderr 'go.work:6: path .* appears multiple times in workspace'
cp go.work.backup go.work

cp go.work.d go.work
go work use # update go version
go run example.com/d

func (fd *FD) RawWrite(f func(uintptr) bool) error {
	return errors.New("not implemented")
}

func DupCloseOnExec(fd int) (int, string, error) {
	nfd, err := syscall.Dup(int(fd), -1)
	if err != nil {
		return 0, "dup", err
	}
	// Plan9 has no syscall.CloseOnExec but
	// its forkAndExecInChild closes all fds
	// not related to the fork+exec.
	return nfd, "", nil

package poll

import (
	"internal/byteorder"
	"sync/atomic"
	"syscall"
	"unsafe"
)

type SysFile struct {
	// RefCountPtr is a pointer to the reference count of Sysfd.
	//
	// WASI preview 1 lacks a dup(2) system call. When the os and net packages
	// need to share a file/socket, instead of duplicating the underlying file
	// descriptor, we instead provide a way to copy FD instances and manage the

					t.Errorf("inverse(%g) = %g, not ∈ [%g, %g)", trackMass, inv, l, u)
				}
			}
		}
	}
}

// aeq returns true if x and y are equal up to 8 digits (1 part in 100
// million).
// TODO(amedee) dup of gc_test.go
func aeq(x, y float64) bool {
	if x < 0 && y < 0 {
		x, y = -x, -y
	}
	const digits = 8
	factor := 1 - math.Pow(10, -digits+1)
	return x*factor <= y && y*factor <= x

		// to a full pipe buffer don't get lost.
		fd2, _, err := poll.DupCloseOnExec(int(f.Fd()))
		if err != nil {
			return err
		}
		runtime.KeepAlive(f) // prevent finalization before dup
		fd = uintptr(fd2)
	}
	if prev := runtime_setCrashFD(fd); prev != ^uintptr(0) {
		// We use NewFile+Close because it is portable
		// unlike syscall.Close, whose parameter type varies.

	// Store the name and type provided by the user....
	if t, dup := nameToConcreteType.LoadOrStore(name, reflect.TypeOf(value)); dup && t != ut.user {
		panic(fmt.Sprintf("gob: registering duplicate types for %q: %s != %s", name, t, ut.user))
	}

	// but the flattened type in the type table, since that's what decode needs.
	if n, dup := concreteTypeToName.LoadOrStore(ut.base, name); dup && n != name {
		nameToConcreteType.Delete(name)