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Re: Operator Associative in Perlby ikegami (Pope) |
on Jun 03, 2009 at 15:37 UTC ( #768049=note: print w/replies, xml ) | Need Help?? |
There are two major mistakes there.
While Perl doesn't document its operand evaluation order, it always evaluates operands from left to right for left-associative operators and exponentiation (**), and from right to left for assignments operators. This case is no exception. There are two characteristics (features?) of Perl that cause the result you observe:
So, that means is basically equivalent to When printf gets the values from @_, it sees
C leaves the operand evaluation order up to the compiler. Results will vary from compiler to compiler. It looks like yours passed by reference, evaluating from right to left.
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