Forgetting "()" when calling methods

Andrew Bennetts andrew-pythonlist at puzzling.org
Sun Apr 27 10:36:16 CEST 2003


On Sun, Apr 27, 2003 at 07:54:28AM +0000, Alex Martelli wrote:
> Erik Max Francis wrote:
> 
> > Jeremy Fincher wrote:
> > 
> >> Perhaps the answer is to remove the __nonzero__ method on
> >> functions/methods.  Logically, what purpose does it serve?
> > 
> > # f holds a callable object or None
> > if f:
> > f(...)
> > 
> 
> I think "if f is None:" and even more "if callable(f):" are
> better ways to express this test -- explicit is better than
> implicit.  However, if this (inferior) expression is indeed

Taken to extremes, "explicit is better than implicit" suggests we should be
using a statically typed language.... ;)

Fortunately, The Zen of Python has plenty of mildly contradictory
statements, which helps in defending one's viewpoint :)

-Andrew.






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