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Postings from July 2010
On Tue, Jul 13, 2010 at 1:55 PM, Ben Morrow <ben@morrow.me.uk> wrote: > Quite. And > > print $i++, $i++; > > has DWIM forever (probably since perl 1). Bad example. The operand evaluation order for the comma operator is not undefined. It's documented that the arguments are evaluated from left to right (allowing the comma can be used a "light" semicolon). A better example would be print $i-- + $i++; The operand evaluation order of addition is not documented, so it could return 5 or 7 for $i=3. But it always returns 5.Thread Previous | Thread Next