Question about None
Paul Rubin
http
Sat Jun 13 13:55:01 EDT 2009
Paul Rubin <http://phr.cx@NOSPAM.invalid> writes:
> crash, or something like that. None is a value which in Haskell has a
I got ahead of myself, of course I meant Python (the *next* sentence
was going to mention Haskell). The corresponding concept in Haskell
is called Nothing, which lives in a type functor called Maybe. I
don't have time to go into it right now but there is a notion among
language weenies these days that the presence of something like None
(in Python) or Null (in Java, SQL, etc) is a wart in a language and
that it's preferable to have something like Maybe.
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