if !ok {
		panic(fmt.Sprintf("unpaired removeDep: no deps for %T", x))
	}

	l0 := len(xdep)
	delete(xdep, dep)

	switch len(xdep) {
	case l0:
		// Nothing removed. Shouldn't happen.
		panic(fmt.Sprintf("unpaired removeDep: no %T dep on %T", dep, x))
	case 0:
		// No more dependencies.
		delete(db.dep, x)
		return x.finalClose
	default:
		// Dependencies remain.
		return func() error { return nil }

		s.listenerGroup.Add(1)
	} else {
		delete(s.listeners, ln)
		s.listenerGroup.Done()
	}
	return true
}

func (s *Server) trackConn(c *conn, add bool) {
	s.mu.Lock()
	defer s.mu.Unlock()
	if s.activeConn == nil {
		s.activeConn = make(map[*conn]struct{})
	}
	if add {
		s.activeConn[c] = struct{}{}
	} else {
		delete(s.activeConn, c)
	}
}

	}
	reset := func() { s = connRequestSet{} }

	t.Run("add-delete", func(t *testing.T) {
		reset()
		wantLen(0)
		dh := s.Add(nil)
		wantLen(1)
		if !s.Delete(dh) {
			t.Fatal("failed to delete")
		}
		wantLen(0)
		if s.Delete(dh) {
			t.Error("delete worked twice")
		}
		wantLen(0)
	})
	t.Run("take-before-delete", func(t *testing.T) {
		reset()
		ch1 := make(chan connRequest)

		ps.startScope('(')
		ps.print(c.To)
		ps.endScope(')')
	} else {
		ps.print(u.Op)
	}

	if !u.Suffix {
		isDelete := op != nil && (op.Name == "delete " || op.Name == "delete[] ")
		if op != nil && op.Name == "::" {
			// Don't use parentheses after ::.
			ps.print(expr)
		} else if u.SizeofType {
			// Always use parentheses for sizeof argument.
			ps.startScope('(')

	}
}

func TestMapIterDelete0(t *testing.T) {
	// Delete all elements before first iteration.
	m := map[string]int{"one": 1, "two": 2, "three": 3}
	iter := ValueOf(m).MapRange()
	delete(m, "one")
	delete(m, "two")
	delete(m, "three")
	if got, want := iterateToString(iter), `[]`; got != want {

//
// To create a *ProcThreadAttributeList, use NewProcThreadAttributeList, update
// it with ProcThreadAttributeListContainer.Update, free its memory using
// ProcThreadAttributeListContainer.Delete, and access the list itself using
// ProcThreadAttributeListContainer.List.
type ProcThreadAttributeList struct{}

type ProcThreadAttributeListContainer struct {
	data     *ProcThreadAttributeList

// LoadImportWithFlags loads the package with the given import path and
// sets tool flags on that package. This function is useful loading implicit
// dependencies (like sync/atomic for coverage).
// TODO(jayconrod): delete this function and set flags automatically
// in LoadImport instead.
func LoadImportWithFlags(path, srcDir string, parent *Package, stk *ImportStack, importPos []token.Position, mode int) (*Package, *PackageError) {

//		description of package patterns.  Sets -cover.
//	-v
//		print the names of packages as they are compiled.
//	-work
//		print the name of the temporary work directory and
//		do not delete it when exiting.
//	-x
//		print the commands.
//	-asmflags '[pattern=]arg list'
//		arguments to pass on each go tool asm invocation.
//	-buildmode mode
//		build mode to use. See 'go help buildmode' for more.

						pp.From.Offset = 0
						pp.From.Index = REG_NONE
						ab.rexflag |= Pw
						ab.Put1(0x8B)
						ab.asmand(ctxt, cursym, p, &pp.From, &p.To)

					case objabi.Hsolaris: // TODO(rsc): Delete Hsolaris from list. Should not use this code. See progedit in obj6.c.
						// TLS base is 0(FS).
						pp.From = p.From

						pp.From.Type = obj.TYPE_MEM
						pp.From.Name = obj.NAME_NONE

			Gosched()
		}

		return
	}

	gp.m.locks--

	// Call the scheduler.
	mcall(exitsyscall0)

	// Scheduler returned, so we're allowed to run now.
	// Delete the syscallsp information that we left for
	// the garbage collector during the system call.
	// Must wait until now because until gosched returns
	// we don't know for sure that the garbage collector
	// is not running.