On 11/23/2020 5:44 PM, David Mertz wrote:
I'd put the question this way: assuming Matcher can be written
(with a bit of stack magic), and assuming that the strings inside
m.case() calls are exactly the same mini-languague PEP 634
proposes, would you want a syntax change?
No, I wouldn't!
Is one of us mixing up negations? Are you saying you do NOT support
PEP 634 (i.e. syntax change)?
A reasonable enough opinion that several core developers hold. Just
trying to understand.
Sorry I wasn't clear. I wouldn't want a syntax change specific to
matching if it could be done with a library. I just don't think it can
be done with a library without other language changes. But I think those
other language changes could be used in ways outside of just matching.
Eric
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