On Mon, Jun 6, 2016 at 3:27 PM, Elizabeth Mattijsen <l...@dijkmat.nl> wrote:
> “with” is completely agnostic about what it is working on.  It merely checks 
> for definedness and sets the topicalizer if so.

Hmm- what's the  benefit of with's defined check? Seems like it makes
"with" break if used with type objects.

> $_ = Complex; say .does(Numeric)
> with Complex { say .does(Numeric) }


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