24 lines
337 B
Text
24 lines
337 B
Text
class Queue
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{
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List queue := [,]
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public Void push (Obj obj)
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{
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queue.add (obj) // add to right of list
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}
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public Obj pop ()
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{
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if (queue.isEmpty)
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throw (Err("queue is empty"))
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else
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{
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return queue.removeAt(0) // removes left-most item
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}
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}
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public Bool isEmpty ()
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{
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queue.isEmpty
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}
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}
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