Exception handling vs. hasNext()
P T Withington
ptw at pobox.com
Mon Nov 19 10:45:07 PST 2007
On 2007-11-19, at 12:40 EST, Brendan Eich wrote:
> This item iteration case has no more concise form analogous to for-
> each-in, because if ES4 were always to map:
> for (let [k, v] in map) ...
> for (let [k, v] in map.iterator::getItems()) ...
> it would wrongly preempt destructuring of arbitrary properties from
> the value returned by the default iterator
Say, if we don't waste parens on union types, what's wrong with:
for (let (k, v) in map) ...
? Just a thought.
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