Python paradigms

Remco Gerlich scarblac-spamtrap at pino.selwerd.nl
Sun Apr 16 19:50:53 CEST 2000


Andrew Dalke wrote in comp.lang.python:
> Aahz Maruch wrote:
> >def expression_if( test, true, false ):
> >  if test: return true
> >  else: return false
> >
> >x = expression_if( a is not None,
> >   a[i].weeble, 0) + expression_if( b is not None, b[i].wombat, 0)
> 
> 
> Suppose a is None.  The a[i].weeble will give an exception.

Pass functions?

def exp_if(test, true, false):
  if test: return true()
  else: return false()
  
x = exp_if(a is not None, lambda a=a,i=i: a[i].weeble, lambda: 0)

Getting silly, though :)

-- 
Remco Gerlich,  scarblac at pino.selwerd.nl
  8:46pm  up 41 days,  8:07,  6 users,  load average: 1.19, 1.08, 1.07



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