[D2] How to not full closure?

[bearophile]

Bruno Medeiros:
> I think Walter's solution ("using 'scope' to tag function parameters 
> that do not escape") may be even better. It doesn't add new syntax to 
> literals, is statically verifiable more "locally", and may have other 
> uses other than for delegates.

So to pass a lambda without closure you have to write something like this?
foo(scope (int x){return x*x;});

Bye,
bearophile