RE: How to correctly spec sequences requiring an iterable

From: Allen Wirfs-Brock <allen@wirfs-brock.com>

> If iteratorGetter is undefined or null then let usingIterator be false; otherwise let usingIterator be true.

Why "or null"? I would expect one of these two alternatives:

1. undefined => usingIterator = false; otherwise, true
2. callable => usingIterator = true; otherwise, false

Received on Friday, 15 November 2013 17:34:18 UTC