opCmp, [partial/total/pre]orders, custom floating point types etc.

[Andrei Alexandrescu via Digitalmars-d]

On 01/12/2016 06:52 PM, John Colvin wrote:
> On Tuesday, 12 January 2016 at 22:28:13 UTC, Andrei Alexandrescu wrote:
>> On 01/12/2016 03:56 PM, John Colvin wrote:
>>> Please consider the second design I proposed?
>>
>> I don't think it solves a large problem. -- Andrei
>
> Ok. Would you consider any solution, or is that a "leave it broken"?

I'd leave it to a named function. Using the built-in comparison for 
exotic orderings is bound to confuse users. BTW not sure you know, but D 
used to have a number of floating point operators like !<>=. Even those 
didn't help. -- Andrei