On Tue, 3 Nov 2020, Greg Ewing wrote:
On 3/11/20 11:01 am, Ethan Furman wrote:
I believe supporting
case x, x # look ma! no guard!
is a possible future enhancement.
In which case there will be a need for *some* kind of true
"don't care" placeholder. If it's not "_" then it will have
to be something else like "?". And we need to decide about
it now, because once people start using "_" as a wildcard
in patterns, it will be too late to go back.
But will it, really ?
It seems to me, that if we leave the "_" magic out,
and leave "case x, x" to the linters,
that leaves a clear path forward
for whatever can be decided whenever it can be decided.
/Paul_______________________________________________
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