function "overloading"

[Janos Blazi]

Now I see that isinstance + the builtin function types + the standard module
types solve my problems.

J.B.


Janos Blazi <jblazi at netsurf.de> schrieb in im Newsbeitrag:
3888a12e_3 at goliath.newsfeeds.com...
> This was not exctly what I meant.
> These classes are not subclasses of each other. What I mean is: I have
> essentially the same function from the mathematical point of you
> (intersection) and I have to call it with different arguments. Of course I
> could code the type information into the classes, so during runtime
> intersection could find out whith which types of arguments it has been
> called, but maybe there are more elegant possibilities.
>
> Janos Blazi
>
> Gerrit Holl <gerrit.holl at pobox.com> schrieb in im Newsbeitrag:
> 20000121173150.A1498 at stopcontact.palga.uucp...
> > Janos Blazi wrote on 948468281:
> > > I have 3 classes called Tline, Tsegment and Tpoint, repectively. I'd
> like to
> > > write a function "subset" that cheks if one of the instances of the
> above
> > > classes  is a subset of another instance (as long as this is
sensible).
> > >
> > > I am afraid I cannot overload the name "subset" and additionally when
> subset
> > > has control it cannot decide the type of its arguments: Does this mean
I
> > > have to write several *different* subset functions having different
> names?
> >
> > >>> print issubclass.__doc__
> > issubclass(C, B) -> Boolean
> >
> > Return whether class C is a subclass (i.e., a derived class) of class B.
> >
> > regards,
> > Gerrit.
> >
> > --
> > Please correct any bad English you encounter in my email message!
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