Eric Nieuwland <eric.nieuwl...@gmail.com>:
>> I have some doubt about the keyword
Guido van Rossum [mailto:gu...@python.org]:
> Many people have tried to come up with a different keyword here, but nothing
> has been found that comes even close to the simplicity of match. Plus, several
> other languages (Scala, Rust) use it too (which is further evidence that it's
> a natural fit).
I was thinking that 'match' and 'case' are reversed: The top line presents the
_case_ to be studied. The patterns that follow try to _match_ the presented
case.
Trying it out on PEP example:
case input:
match x if x > MAX_INT:
print("Got a large number")
I think it reads well, in particular when like here there's a condition
attached. The second line is almost English: "match x if x greater than max
int".
Pascal is a precedent for this placement of 'case', although of course Niklaus
Wirth is not a native English speaker either.
regards, Anders
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