You can already do compact conditional returns with the current syntax:
def foo(a, b):
return (a != b or None) and a * b
or even:
foo = (lambda a, b: (a != b or None) and a * b)
both return:
foo(2, 5) # 10
foo(1, 1) # None
... but clarity would be better.
On Fri, Jun 19, 2020 at 4:20 AM Serhiy Storchaka <storch...@gmail.com>
wrote:
> 18.06.20 15:30, Daniel. пише:
> > I love the do_stuff if cond syntax in Ruby and in perl. It's very
> > natural to real, much more to follow than if cond: do_stuff
> >
> > But still I don't think that it is enough to demand a language change.
> >
> > Something near this is to have a default of none for
> >
> > A if B else None
> >
> > So we can ommit the else None part, but this goes against the explicit
> > is better than implicit
>
> Only around 10% of "if" expressions have "else None" part. It is not
> enough to justify a new syntax (even if ignore other objections).
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