Feature suggestion -- return if true

Grant Edwards invalid at invalid.invalid
Tue Apr 12 15:44:03 CEST 2011


On 2011-04-12, James Mills <prologic at shortcircuit.net.au> wrote:
> On Tue, Apr 12, 2011 at 12:44 PM, Chris Angelico <rosuav at gmail.com> wrote:
>> That's still not equivalent. "return expr or None" will always
>> terminate the function. The OP's request was for something which would
>> terminate the function if and only if expr is non-false.
>
> The OP did not state this at all.
> There was never any mention of early termination
> of the function iif expr was True.

The OP said he wanted something with the semantics of

   _temp_ = expr
   if _temp_: return _temp_

That code snippet does not return if expr is false.  What you proposed
returns None when expr is false.

-- 
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