DMD 0.164 release

[kris]

Refer to "The future of lambda delegates" on ng.D ?

Apparently some changes here are scheduled for a post 1.0 release





Søren J. Løvborg wrote:
> Walter Bright wrote:
> 
>>Bug fixes.
> 
> 
> Excellent. I'm particularly glad to see bug 279 fixed so soon. Thanks!
> 
> I do note, however, that in the fix, you've created a distinction between 
> two different kinds of inner classes, those that refer to local variables 
> and those who don't.
> 
> Those who don't access local variables work as they always have (and thus, 
> no old code is broken).
> 
> Those who do access local variables can only access them until the 
> containing method returns, just as with inner functions, but (not too 
> surprising when you know the internals) can _also_ only access members of 
> the containing class until the containing method  returns, because (I 
> suppose) access to the containing class now goes through the "this" local 
> variable of the method, instead of directly through the context pointer as 
> usual.
> 
> ===
> abstract class Inner { abstract void print(); }
> 
> class Outer
> {
>     int memberVar = 123;
> 
>     Inner inner;
> 
>     this()
>     {
>         int localVar = 42;
> 
>         inner = new class Inner
>         {
>             void print() { printf("%d %d\n", memberVar, localVar); }
>         };
>         inner.print();
>     }
> 
>     void print() { inner.print(); }
> }
> 
> void main()
> {
>     Outer o = new Outer(); // prints 42 123
>     o.print();             // prints two garbage numbers
> }
> ===
> 
> If the test-case above is modified to only access memberVar, everything 
> works as expected.
> 
> Depending on how deliberate this is, this will need to be either documented 
> or fixed (by having not one, but two content pointers in the inner classes 
> that require it, perhaps).
> 
> In either case, I'm very happy with this release, so thanks again!
> 
> Søren J. Løvborg
> web at kwi.dk 
> 
>