Added const qualifier where possible
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@ -23,7 +23,7 @@ public:
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Queue *queueNode = new Queue(value);
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return addNewNodeAtTheEnd(queueNode);
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}
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unsigned int count()
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unsigned int count() const
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{
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unsigned int counter(0);
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if(isQueueEmpty(_head->_next))return counter;
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@ -85,7 +85,7 @@ protected:
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{
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_value = value;
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}
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boolean isQueueEmpty(Queue *node){return node == NULL;}
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boolean isQueueEmpty(Queue *node) const {return node == NULL;}
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boolean addNewNodeAtTheEnd(Queue *node)
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{
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if(node == NULL) return false;
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