Re: The poor state of documentation of pcase like things.

[John Wiegley]

>>>>> Richard Stallman <address@hidden> writes:

> Is _ as wildcard a UPattern?  In other words, should this

>> (pcase value
>> (`(_ 1 2)
>> (message "Matched a list of anything followed by (2 3)")))

> really be this?

>> (pcase value
>> (`(,_ 1 2)
>> (message "Matched a list of anything followed by (2 3)")))

> If so, now the description makes sense.

Yes, this is correct.

> But I think it might be useful to define _ 
> as a QPattern to be equivalent to ,_.
> It is true that this would make it an exception among QPatterns,
> but one exception might be worth while.

I don't see much value in doing so; is it just to save a comma?

-- 
John Wiegley                  GPG fingerprint = 4710 CF98 AF9B 327B B80F
http://newartisans.com                          60E1 46C4 BD1A 7AC1 4BA2