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Postings from November 2010
Reverend Chip wrote:
>That ship has sailed, long ago. The meanings of + - "" etc. can all be
>arbitrary, already, thanks to L<overload>.
Only when applied directly to the ref to blessed object that has
overloading. Objects don't get to muck about with the meaning of an
undef (or anything else, other than a ref to blessed object) that one
of their methods returns.
> Holding -> out as
>untouchable makes little sense.
A blessed object already does get to influence the meaning of ->[], ->{},
and ->(), when applied to its ref, via overload. It also, of course,
gets to influence ->foo applied to its ref, by simply defining methods
(or AUTOLOAD). -> is indeed in that sense not particularly special among
operators. But no operator is currently as special as you suggested.
-zefram
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