They give you a half-way solution

I wonder why do they do that ? If I can use overload '=' => \© then that ought to do something useful. (Ok ... so perhaps, in the right hands, it does do something useful.) And why is it considered un-perlish to overload '=' ? (Well ... I probably wouldn't understand the answer to that question, anyway.)

call your copy function directly instead of trying to overload '='

Yes - that's pretty much what the demo I posted does. Except that it contains an unnecessary function. The 'set_from_existing' function can be removed from the Inline::C section, the perl code in the script changed to: 
$num1 = Grief::new(113);
$num2 = $num1; # Assign using _copy()
$num3 = _copy($num1, '', ''); # Assign using _copy()
_set_val($num1, 555);
print _get_val($num2),"\n", _get_val($num3), "\n";

[download]
and the rest of the post remains essentially unchanged. It still baffles me that $num3 gets created as a separate object, but $num2 gets created (by exactly the same function) as some sort of semi-object that (to begin with) is tied in some way to $num1, and never gets DESTROYed (even if the tie is subsequently broken).

Thanks Paul. I can see no reason to disagree with your advice.

Cheers,
Rob

In reply to Re^2: Overloading '=' doesn't DWIM by syphilis
in thread Overloading '=' doesn't DWIM by syphilis

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