@Shared warning

[Neal Gafter]

The warning is given on any use of a local variable inside a closure if that
variable is modified anywhere (inside or outside of the closure).

On Mon, May 19, 2008 at 1:43 AM, Zdenek Tronicek <tronicek at fel.cvut.cz>
wrote:

> If we declare a closure with read-only access to a local variable, there is
> no warning:
>
>  int n = 10;
>  { => int } f = { => n };
>
> If a closure modifies the variable captured
>
>  { => int } f = { => n--; n == 0 ? 1 : f.invoke() };
>
> there is a warning (which is right). But why is the warning also on place
> where the variable is read only?
>
> Recursion.java:17: warning: [shared] captured variable n not annotated
> @Shared
>        { => int } f = { => n--; n == 0 ? 1 : f.invoke() };
>                            ^
> Recursion.java:17: warning: [shared] captured variable n not annotated
> @Shared
>        { => int } f = { => n--; n == 0 ? 1 : f.invoke() };
>                                 ^
> 2 warnings
>
> Z.
> --
> Zdenek Tronicek
> Department of Computer Science and Engineering
> Prague                   tel: +420 2 2435 7410
> http://cs.felk.cvut.cz/~tronicek <http://cs.felk.cvut.cz/%7Etronicek>
>
>
>
>
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>
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