[m-dev.] Suggestion for a new "where" operator

Peter Schachte schachte at cs.mu.OZ.AU
Tue Aug 5 13:32:52 AEST 2003

On Tue, Aug 05, 2003 at 01:15:19PM +1000, Ralph Becket wrote:
> Peter Schachte, Tuesday,  5 August 2003:
> > 
> > BTW, just to be clear on this, I'm assuming in in (E where G), E is an
> > expression, not a variable.  So eg, I could write
> > 
> > 	Avg = (Sum/Count where sum_count(List, Sum, Count))
> Yes, but a variable is also an expression!

Sure.  Read that as "... any expression, not necessarily a
variable...."  I just wanted to make sure I understood what you

Peter Schachte              Algorithms are inherently mathematical things that
schachte at cs.mu.OZ.AU        should be as un-patentable as the value of pi.
www.cs.mu.oz.au/~schachte/      -- Donald Knuth 
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