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Re^2: Reference assessment techniques and how they fail

by kyle (Abbot)
on Feb 17, 2008 at 17:18 UTC ( [id://668419]=note: print w/replies, xml ) Need Help??

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  1. or download this
    use strict;
use warnings;
...
ok( is_code( \&real_sub ), 'real sub ref is code' );
ok( is_code( $sub_ref   ), 'lexical sub ref is code' );
ok( is_code( $undef     ), 'undef is code' );

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