lexical for-in/for-of loose end

[Allen Wirfs-Brock]

On Feb 3, 2012, at 8:46 AM, Jason Orendorff wrote:

> My attempt at a for-let desugaring is:
>  https://gist.github.com/1730064

yes, similar to  https://mail.mozilla.org/pipermail/es-discuss/2008-October/007819.html 

the real issue with per iteration binding and for(;;) is closure capture in the (;;).  This is admirably rare, but your definition (and Mark's)  means that when it occurs it is unlikely to do what the programmer intended. 

Allen
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