12 lines
308 B
Perl
12 lines
308 B
Perl
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@queue = (); # we will simulate a queue in a array
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push @queue, (1..5); # enqueue numbers from 1 to 5
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print shift @queue,"\n"; # dequeue
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print "array is empty\n" unless @queue; # is empty ?
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print $n while($n = shift @queue); # dequeue all
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print "\n";
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print "array is empty\n" unless @queue; # is empty ?
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