The future of lambda delegates

[Walter Bright]

BCS wrote:
> BTW how do you construct a delegate literal inside of a class method 
> that uses "this" as it's context, rather than the frame pointer?
> 
> class Foo
> {
>     int i;
>     int delegate() fig(){ return {return i;}; }

It uses the frame pointer of fig() to access fig()'s this. Of course, 
though, this will currently fail because fig() is exited before the 
delegate is called.

> //    int delegate() fig(){ return this.{return i;}; }  // this maybe?
> }
> 
> void main()
> {
>     auto foo = new Foo;
>     auto farm = foo.fig;
> 
>     foo.i = 5;
>     auto i = farm(); // valid if context is "foo"
>     assert(i == 5);
> }