Editorial: Throw on undefined early in GetIterator

This is editorial because Call inside GetIteratorFromMethod would throw on undefined anyways, and this keeps GetIteratorFromMethod cleaner in only accepting function objects.
tc39 · Mar 2, 2023 · e5edb51 · e5edb51
1 parent ce7b60e
commit e5edb51
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/spec.html b/spec.html
@@ -6828,9 +6828,11 @@ <h1>
           1. Let _method_ be ? GetMethod(_obj_, @@asyncIterator).
           1. If _method_ is *undefined*, then
             1. Let _syncMethod_ be ? GetMethod(_obj_, @@iterator).
+            1. If _syncMethod_ is *undefined*, throw a *TypeError* exception.
             1. Let _syncIteratorRecord_ be ? GetIteratorFromMethod(_obj_, _syncMethod_).
             1. Return CreateAsyncFromSyncIterator(_syncIteratorRecord_).
         1. Otherwise, let _method_ be ? GetMethod(_obj_, @@iterator).
+        1. If _method_ is *undefined*, throw a *TypeError* exception.
         1. Return ? GetIteratorFromMethod(_obj_, _method_).
       </emu-alg>
     </emu-clause>