6 use List::Util qw(reduce min);
10 print "not " if defined reduce {};
13 print "not " unless 9 == reduce { $a / $b } 756,3,7,4;
16 print "not " unless 9 == reduce { $a / $b } 9;
19 @a = map { rand } 0 .. 20;
20 print "not " unless min(@a) == reduce { $a < $b ? $a : $b } @a;
23 @a = map { pack("C", int(rand(256))) } 0 .. 20;
24 print "not " unless join("",@a) eq reduce { $a . $b } @a;