When you're trying to suss out precedence problems the "-p" flag to B::Deparse can be useful to get it to shove in explicit parens everywhere. 

$ perl -MO=Deparse,-p -e "sub test { return int(rand(2)) or print 'Nop
+e' }"
sub test {
    ((return int(rand(2))) or print('Nope'));
}
-e syntax OK

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The cake is a lie.
The cake is a lie.
The cake is a lie.

In reply to Re^2: Possible precedence issue with control flow operator by Fletch
in thread Possible precedence issue with control flow operator by will_

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