[Perldl] null dimensions, indexND(), .=, and glue()

Craig DeForest deforest at boulder.swri.edu
Wed Jan 4 10:10:21 HST 2012

On Jan 4, 2012, at 7:50 AM, David Mertens wrote:
> The only red flag I'll raise is that if stringification gets changed, I'll want to change the behavior for pdl-from-string. Right now, the word Empty is ignored, but if Empty is going to start carrying dimensions, maybe it should be recognized and properly converted
Okay.  Let's plan, then, to modify stringification of Empty PDLs to read "Empty[<d0>x<d1>x...x<dn>]" (no spaces; dim list as a sequence of integers and 'x's in the square brackets).  Can you work the destringification side?

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