[Python-Dev] accumulator display syntax

Greg Ewing greg at cosc.canterbury.ac.nz
Sun Oct 19 19:45:04 EDT 2003


Sean Ross <seandavidross at hotmail.com> generated:

> # (3) parentheses
> sumofsquares = sum((yield x*x for x in myList))

I think this one illustrates why requiring parentheses
around a bare "yield..." would be a bad idea.

> # (14) unpacking (*)
> sumofsquares = sum(*[x*x for x in myList])

That already has a meaning (you're passing the result of
a list comp as a * argument to the function).

Greg Ewing, Computer Science Dept, +--------------------------------------+
University of Canterbury,	   | A citizen of NewZealandCorp, a	  |
Christchurch, New Zealand	   | wholly-owned subsidiary of USA Inc.  |
greg at cosc.canterbury.ac.nz	   +--------------------------------------+



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