Parallel-safe lambdas

[Mark Thornton]

Rémi Forax wrote:
> Mark, I don't think we need to distinguish between restricted
> and unrestricted closure.
> I prefer the idea to avoid shared states to let the implementation
> choose if the code has to be run parallel or not.
>   

I think that is the restriction (no shared state) to which Stephen and 
Olivier are objecting. In fact I think they are saying that shared state 
is so important to their view of lambdas that they would prefer to 
discard the parallel use of lambdas.

Mark