Re: What evil would happen?

[Preben Randhol <randhol+abuse@pvv.org>]

Larry Kilgallen wrote:
> 
> That presumes:
> 
> 	1. There is no valid meaning for returning a null username.
> 	2. There is no desire to return _two_ constrained values.
> 	3. There is no desire to return a non-Boolean constrained value.
> 
>> You have to
>> do if my_result then anyway so there is really not much difference to
>> the code. However I would have concidered throwing an exception in the
>> case the parsing failed.
> 
> That presumes:
> 
> 	4. The only use for a constrained value return is to indicate
> 	   failure.

Well if not then use a record with username and the boolean variable and
return that

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