Native Assertion module?

[Brendan Eich]

I recall something from ES4 days but can find only

http://wiki.ecmascript.org/doku.php?id=proposals:debug_helpers

A built-in assert special form recognized by the compiler could be 
passed a quoted string of its expression, along with source coordinates.

/be

Rick Waldron wrote:
> I was wondering if a native Assertion module had ever been discussed 
> or proposed - I searched[1] and found nothing. If anyone can point me 
> to existing discussion or proposals that I might have missed, I was be 
> greatly appreciative. The simplest explanation of my thinking is 
> something closer to a "standard lib" module, similar to Globalization 
> or "Iter".
>
>
>
>
> [1] http://wiki.ecmascript.org/doku.php?do=search&id=assert 
> <http://wiki.ecmascript.org/doku.php?do=search&id=assert>
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