2013/5/17 Don Clugston <[email protected]>
>
> > What do you find unacceptable/inconvenient in "-transition=XXX" approach?
>
> Because 100% of existing cases must be changed.
>
> This isn't even like static variables becoming shared by default, where
> some of the cases needed to change to __gshared but the rest were OK with
> becoming shared.
> Every existing usage becomes a bug. There are no exceptions.
>
In 2.063, some non-mutable field access were already changed to error.
struct S {
immutable int x = 10;
}
enum y = S.x; // 2.063 will cause "need 'this' for x" error.
At least in such cases, these are not silent breaking of existing code.
Kenji Hara
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