On Thu, 2008-12-04 at 20:15 -0800, ryan wrote:
> thanks for the thorough reply! I now understand how to proceed.
> 
> However, I'm not convinced that distinct shouldn't do this for me...

It cannot read your mind. How is distinct() meant to know which of the
many multiple values it should use for ordering? Should it pick one at
random? That will only lead to disappointment, I'm sure.

> but I understand this is a philosophical point,

No, it's a strong technical point. To pick one value, that distinguished
value has to be well-defined (that is, there has to be a natural,
unambiguous meaning of which value to pick, for all possible
circumstances). This isn't the case here.

Your trust is welcome (and, I'm sure, well-placed). But realise that
this isn't simply an arbitrary opinion. It's a technical constraint.

Regards,
Malcolm



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