[Bioperl-l] attribute setting and return value

[Aaron J Mackey]

I think Tim typo'ed and meant "can't set an attribute to undef"; his
version allows it, while most of our others don't.

-Aaron

On Sun, 29 Sep 2002, Ewan Birney wrote:

> On Sun, 29 Sep 2002, Tim Bunce wrote:
>
> > Another problem with both styles shown is that you can set an attribute to undef.
> > Here's an alternative to the first style (it's also faster):
>
> Quite often you want to be able to set an attribute to undef to indicate
> absence.