Update

vendor/tailscale.com/util/set/handle.go

@@ -9,20 +9,28 @@ package set
 type HandleSet[T any] map[Handle]T
 
 // Handle is an opaque comparable value that's used as the map key in a
-// HandleSet. The only way to get one is to call HandleSet.Add.
+// HandleSet.
 type Handle struct {
 	v *byte
 }
 
+// NewHandle returns a new handle value.
+func NewHandle() Handle {
+	return Handle{new(byte)}
+}
+
 // Add adds the element (map value) e to the set.
 //
-// It returns the handle (map key) with which e can be removed, using a map
-// delete.
+// It returns a new handle (map key) with which e can be removed, using a map
+// delete or the [HandleSet.Delete] method.
 func (s *HandleSet[T]) Add(e T) Handle {
-	h := Handle{new(byte)}
+	h := NewHandle()
 	if *s == nil {
 		*s = make(HandleSet[T])
 	}
 	(*s)[h] = e
 	return h
 }
+
+// Delete removes the element with handle h from the set.
+func (s HandleSet[T]) Delete(h Handle) { delete(s, h) }