[phobos] std.string.cmp

[Brad Roberts]

Well, we can consider changing optic to return a sizediff_t, which removes the
problems at the cost of an impacting change.

On 1/10/2011 11:11 PM, Andrei Alexandrescu wrote:
> I reverted to int. I was worried about a slight inefficiency but I guess it's
> hardly measurable.
> 
> Andrei
> 
> On 1/10/11 10:56 PM, Brad Roberts wrote:
>> Hrm.. I think I'd like to object to today's change of std.string.cmp to return
>> sizediff_t rather than int.  The reason.. Object.opCmp returns int.  So, using
>> cmp is needlessly painful.  A simple cast is dangerous.. consider what happens
>> if some how the cmp returns a multiple of 2^32.  But I guarantee that a simple
>> cast is what most people that run into the mismatch will do.
>>
>> Thoughts?
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