Re: [HACKERS] Compatibility types, type aliases, and distinct types

Am Monday, 18. August 2008 schrieb Tom Lane:
> If the type has no functions of its own, then the only way to make it
> easily usable is to throw in implicit conversions *in both directions*
> between it and the type it's an alias for.  You're going to find that
> that's a problem.

I'm not finding that that's a problem. We have several cases of that in the
standard catalogs already. What kind of problem are you foreseeing?

One direction of the cast could be AS ASSIGNMENT, btw., but that is another
decision that would have to be worked out.

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