Yes that is a good point, which I had forgotten about in my
concern over syntax.

Some guidance is needed about what the default passing is likely
to be in perl6.

Will 

(@x,@y) = mysub @a, @b

implicitly pass by reference?

Karl

Christian Soeller wrote:
> In summary, I doubt that having PDLs being represented by arrays helps
> *unless* quite a number of things are changed with regard to array
> passing, list context, etc.
> 
>   Christian

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