[PATCH 0/4] Speed improvement in fetch/clone

[Jan Hudec]

On Fri, Jan 20, 2006 at 13:03:11 +1100, Martin Pool wrote:
> > Besides it will only be a 2-line if. The expression is screwed, but IMHO
> > not for using and+or for ternary (I am used to that from other
> > languages (that do have ternary, by the way)), but for:
> > 1) Assigning what is already assigned.
> > 2) Containing redundant terms -- (pb and pb) == pb
> 
> Right.
> 
> > In languages that have it I'd suggest pb or= ....progress_bar(), but
> > python only supportst augmented assignment for arithmetic operators.
> 
> I'm just curious, what language has "assign if the LHS is null"?  Perl6?

Yes, Perl6 does. I heared rumors, that it might get added in Perl5 too.
For the others it depends on what they consider false - usually any
object is true, so if the particular variable is null or some specific
object, logical or works well.

-- 
						 Jan 'Bulb' Hudec <bulb at ucw.cz>
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