Updated patterns-in-switch doc

Remi Forax forax at univ-mlv.fr
Sun Sep 13 12:08:19 UTC 2020


Section Do we need constant patterns, 
if we don't have constant pattern, it may also means that the type of a bound variables can be implicit too. 
i.e. case Point(x, y) having the same meaning as case Point(var x, var y) like with lambdas. 

Because 
int c = ... 
switch(getFoo()) { 
case Foo(c): ... 
} 
is not valid anymore and should be written like this 
int c = ... 
switch(getFoo()) { 
case Foo(x) where x == c: ... 
} 

Rémi 

> De: "Brian Goetz" <brian.goetz at oracle.com>
> À: "amber-spec-experts" <amber-spec-experts at openjdk.java.net>
> Envoyé: Mardi 8 Septembre 2020 18:43:01
> Objet: Updated patterns-in-switch doc

> I have updated

> [
> https://github.com/openjdk/amber-docs/blob/master/site/design-notes/type-patterns-in-switch.md
> |
> https://github.com/openjdk/amber-docs/blob/master/site/design-notes/type-patterns-in-switch.md
> ]

> based on our discussions.
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