[alexandria-devel] [PATCH] PROG1-LET

[Benjamin Saunders]

On Sun, Apr 08, 2012 at 04:22:07PM -0400, Liam Healy wrote:
> Is it necessary to duplicate functionality in alexandria?

Though it's not my place to judge that, I thought it worth making the
proposal on the basis that WHEN-LET and IF-LET provide very similar
functionality, and are already in alexandria. I originally modeled
PROG1-LET after these, and have since found it to be useful with
reasonable frequency.

Notably, all of these constructs are simple and obvious in both
behavior and expansion, and provide some functionality in addition to
creating a binding. As far as I can tell, metabang-bind is not
described by any of that.
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