Tuple

tuple.js

'use strict'

class Tuple {
	constructor(...args) {
		this._args = args
		args.forEach((val, index) => {
			Object.defineProperty(this, `item${index}`, {
				get: () => val
			})
		})
	}
	
	*[Symbol.iterator](){
		for (const arg of this._args) {
			yield arg
		}
	}
}

// Usage examples

const t = new Tuple('abc', 123)

const {
	item0: a,
	item1: b
} = t

console.log(`a: ${a}, b: ${b}`)

// --------------------------
for (const value of t){
	console.log(value)
}

// -------------------------

const [first, second] = t

console.log(`first: ${first}, second: ${second}`)

tuple.markdown

Tuple

JavaScript doesn't have Tuple data type. This example provides custom implementation of Tuple

A Pen by Vlad Bezden