1
import module namespace queue = "http://zorba.io/modules/queue";
3
variable $name := fn:QName("", "queue1");
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queue:push($name, { "pi" : 3.1415927 });
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queue:push($name, { "e" : 2.7182818 });
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queue:push($name, <a/>);
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queue:push($name, <b/>);
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(queue:pop($name), queue:pop($name), queue:pop($name), queue:pop($name))