Re: Suggestion: "usertype()" function

[Miles Bader <miles@...>]

Miles Bader <miles@gnu.org> writes:
>> However, it seems to me that there is one hole in this clean model:
>> the inability of a metatable to project a "type" into the Lua code
>> space.
> ...
>> Thoughts anyone?
>
> I think the entire concept of a "type()" function is sort of fragile,
> and really not what you want as a general interface.
>
> Something like type predicates would be much better.  So the trick is,
> assuming a standard set of type predicates, how do you extend them to
> work on user types?

... and of course they need not be real predicates, e.g. something like
"istype(OBJ, TYPENAME)" can offer the same functionality, maybe.

-miles

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