Re^7: Undefined vs empty string (low-precedence logical / boolean and/or/not versus not ! && || in mundane situations)

But my point was ...

I think my point is , searching for "not !" is very difficult, so links and examples would be nice

update : found one, need more Perl::Critic::Policy::ValuesAndExpressions::ProhibitMixedBooleanOperators - Write !$foo && $bar || $baz instead of not $foo && $bar or $baz.

Comment on Re^7: Undefined vs empty string (low-precedence logical / boolean and/or/not versus not ! && \|\| in mundane situations)

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Re^8: Undefined vs empty string ( not($length) precedence traps ) by Anonymous Monk on Jun 05, 2013 at 08:11 UTC
Found another Logical Not and arguments to grep Using not() makes it not($length), precedence is fun perlop#Logical Not ought to eventually warn about these types of precedence traps	[reply]