[Python-Dev] PEP 289: Generator Expressions (second draft)

[Greg Ewing]

Andrew Koenig <ark-mlist at att.net>:

> The dict
> comprehension would be
> 
> 	{x: x**2 for x in range(n)}
> 
> Or would that be a single-element dict whose key is x and value is a
> generator expression?  :-)

According to the parentheses rule, no, because that would
have to be

  {x: (x**2 for x in range(n))}

(Parentheses)-(are)-(so)-(handy)-(ly),

Greg Ewing, Computer Science Dept, +--------------------------------------+
University of Canterbury,	   | A citizen of NewZealandCorp, a	  |
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greg at cosc.canterbury.ac.nz	   +--------------------------------------+