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Re: Proposed new conditional operator: "or else"

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  Re: Proposed new conditional operator: "or else" Sturla Molden <sturla.molden@gmail.com> - 2014-12-03 00:54 +0000

#81821 — Re: Proposed new conditional operator: "or else"

Zachary Ware <zachary.ware+pylist@gmail.com> wrote:
> On Tue, Dec 2, 2014 at 11:18 AM, Roy Smith <roy@panix.com> wrote:
>> Wouldn’t it be neat to write:
>> 
>>    foo == 42 or else
>> 
>> and have that be an synonym for:
>> 
>>     assert foo == 42
>> 
>> :-)
> 
> Never going to happen, but I like it!  Perhaps raise IntimidationError
> instead of AssertionError when it fails?

I guess the "or else" statement should do this:

   <condition> or else <threat>

where the statement <threat> is executed if the statement <condition>
evaluates to false.

In absence of an explicit threat

  <condition> or else

it should raise IntimidationError if <condition> evaluates to false false.

If <condition> evaluates to true it should just return <conditon>.



Sturla

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