DataType<T> = {
key: string|number
value: T
}
// static method that creates a instance of Queue class.
Queue.createQueue()
// Time Complexity: O(1)
size: number;
// *generator function, it returens an iterator.
iterator(): Generator
// Time Complexity: O(1)
getFront(): number|DataType<any>
// Time Complexity: O(1)
getBack(): number|DataType<any>
// Time Complexity: O(1)
enqueue(data: DataType<any>): boolean
// Time Complexity: O(1)
dequeue(): boolean|DataType<any>
// Time Complexity:
// Front Node & Back Node: O(1), other Nodes: O(n)
search(key: string|number): null|DataType<any>
// Time Complexity:
// Front Node & Back Node: O(1), other Nodes: O(n)
update(key: string|number, newValue: any): boolean|DataType<any>
// Time Complexity: O(n)
log(): void;
import { Queue } from "https://deno.land/x/datastructure/mod.ts";
const queue = Queue.createQueue()
// add data in the Queue in a FIFO way
queue.enqueue({key: 'a', value: [1, 2, 5]})
queue.enqueue({key: 'sourav', value: {name: "Sourav"}})
// get and remove first added data from the Queue
queue.dequeue()
// get the item which added at first
queue.getFront()
// get the item which added at last
queue.getBack()
// search item data in the Queue
queue.search('sourav')
// update item data
queue.update('sourav', 'Abm Sourav')
// iterator method returns a *generator function
const iterator = queue.iterator()
let iteratorNext = iterator.next()
// console.log(iteratorNext.next(), iteratorNext.next());
while (iteratorNext.done === false) {
console.log(iteratorNext.value);
iteratorNext = iterator.next()
}
// console all values
queue.log()