types/wgkey: add TODO for a future API change.
@@ -138,6 +138,9 @@ func (a *Key) LessThan(b *Key) bool {
// NewPrivate generates a new curve25519 secret key.
// It conforms to the format described on https://cr.yp.to/ecdh.html.
+//
+// TODO: make this look more like types/key, key generation should not
+// return an error.
func NewPrivate() (Private, error) {
k, err := NewPreshared()
if err != nil {
