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Re: $x | $y | $z = $z | ($x | $y) ?

by ikegami (Pope)
on Sep 07, 2012 at 00:06 UTC ( #992212=note: print w/ replies, xml ) Need Help??


in reply to $x | $y | $z = $z | ($x | $y) ?

Overloaded operator handlers sometimes receive operands in reversed order, but Perl will notify the handler when it does so by setting the swapped argument to true.

overload:

Three arguments are passed to all subroutines specified in the use overload directive (with one exception - see nomethod). [...] The third argument is set to TRUE if (and only if) the two operands have been swapped. Perl may do this to ensure that the first argument ($self ) is an object implementing the overloaded operation, in line with general object calling conventions. [...]

You probably disregarded that argument?


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