On Wed, Sep 24, 2014 at 1:31 PM, Gil Barmwater <[email protected]>
wrote:
> If I understand what you are saying, ANY choice for these operators (e.g.
> \&) has the same issue due to the delayed evaluation requirement. Bummer :-(
>
>
Yep...this is more of a conceptual/documentation clarity problem rather
than a "hard to implement" problem. Sometimes things that are easy to do
are still wrong because of other implications.
Rick
>
>
> On 9/24/2014 1:17 PM, Rick McGuire wrote:
>
>
>
> On Wed, Sep 24, 2014 at 1:06 PM, Gil Barmwater <[email protected]>
> wrote:
>
>> Good point! I'm leaning toward -& and -| as they kind of imply "less"
>> than a "full" & or |.
>>
>
> So was I, then I hit a small snag on how to implement these, since they
> would really fall outside of operators are handled in oorexx. All of the
> operators are implemented as methods. So, for example,
>
> a | b
>
> is handled internally as if it was coded as
>
> a~'|'(b)
>
> The operators -| and -& (or whatever they might end up being) cannot be
> handled that way because of the delayed evaluation. This would need to be
> handled completely internally by the operator, and would also require that
> both sides of the operator evaluate to a string object. Unlike other
> operators, these cannot be overridden by a particular class. From an
> implementation standpoint, this can be done easily. I'm a little uneasy
> about introducing an operator that is conceptually different from the
> others.
>
> Rick
>
>
>
>>
>>
>> On 9/24/2014 11:44 AM, Mike Cowlishaw wrote:
>>
>>
>>
>> Just off the top of my head, &. and |. seem to make sense since . is
>> called "full stop" in some places :-) .
>>
>> I don't think those work because '.' is not an operator or special
>> character, and could start a constant, e.g.,
>>
>> foo = bar & .0
>>
>>
>>
>>
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>> --
>> Gil Barmwater
>>
>>
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> Gil Barmwater
>
>
>
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