const VS features detection

Mark S. Miller erights at
Wed Jan 8 08:35:21 PST 2014

If all you want is a non verbose IIFE, use an arrow function. We should
consider do expressions only if they avoid the TCP violations of strict
arrow IIFEs.

On Wed, Jan 8, 2014 at 6:51 AM, Kevin Smith <zenparsing at> wrote:

> Since "do-as-IIFE" carries with it a subset of the semantics carried by
> "do--as-block", I think it makes sense to proceed with the subset first,
> and expand if "do-as-IIFE" turns out to be surprising or lacking.
> IIUC, the goal here is to allow a sequence of statements to produce a
> value, not (necessarily) to allow arbitrary block semantics.
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