[Python-ideas] except expression

[Amber Yust]

Ah, that's a good point (the two-directionality of yield had slipped my
mind). I had considered suggesting return instead of yield, which wouldn't
have that problem, but it felt like return would be more confusing to see
in a context where it doesn't actually return from the enclosing scope.
On Feb 12, 2014 7:16 PM, "Chris Angelico" <rosuav at gmail.com> wrote:

> On Thu, Feb 13, 2014 at 2:08 PM, Amber Yust <amber.yust at gmail.com> wrote:
> > Why not use yield instead of else?
> >
> > foo = something() except BazException yield "bar"
>
> yield is already an expression. It'd be theoretically and
> syntactically valid (if a little weird) to use yield "bar" in place of
> the name BazException; you'd yield "bar" to your caller, then whatever
> exception gets sent in would be the one tested for. I honestly cannot
> conceive of any situation where this would actually be useful, but it
> does make it a little tricky to reuse that keyword :)
>
> ChrisA
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