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added length property to queue and added in the test for it - since i… #2

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added length property to queue and added in the test for it - since i… #2

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3 changes: 2 additions & 1 deletion implementation/03-queue.js
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@ class Queue {
constructor() {
this.head = null;
this.tail = null;
this.length = 0;
}

enqueue(val) {
Expand All @@ -15,7 +16,7 @@ class Queue {

dequeue() {
// Remove node from front of queue (linked list)

// Write your hypothesis on the time complexity of this method here
}

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1 change: 1 addition & 0 deletions implementation/test/03-queue-specs.js
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Expand Up @@ -37,6 +37,7 @@ describe('Queue', () => {
it('Should have head, tail and length properties', () => {
expect(queue).to.have.property('head');
expect(queue).to.have.property('tail');
expect(queue).to.have.property('length');
});

it('Should not implement an Array to store values', () => {
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