Queue/Definition: Difference between revisions
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→{{header|Perl 6}}: clarify .enqueue of items vs array
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=={{header|Perl 6}}==
{{Works with|rakudo|2015-11-29}}
We could build a new container class to do FIFO pretty easily, but Arrays already do everything needed by a FIFO queue, so it is easier to just compose a Role on the existing Array class.
<lang perl6>role FIFO {
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<lang perl6>my @queue does FIFO;
say @queue.is-empty; # -> Bool::True
say @queue.enqueue: Any; # -> 1
say @queue.enqueue: 7, 8; # -> 2
say @queue.is-empty; # -> Bool::False
say @queue.dequeue; # -> A
say @queue.elems; # ->
say @queue.dequeue; # -> B
say @queue.is-empty; # -> Bool::False
say @queue.enqueue('OHAI!'); # -> 1
say @queue.dequeue until @queue.is-empty; # -> C \n Any() \n [7
say @queue.is-empty; # -> Bool::True
say @queue.dequeue; # -></lang>
=={{header|PHP}}==
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