← All Exercises

Tuple Type Operations

basictypescript~10min

Background

Tuples enforce both the length and the type at each position of an array, useful for coordinate pairs and CSV row data.

Problem

Write a TypeScript function that takes a tuple [string, number] representing a name and age, and returns a formatted string.

Input

A tuple of type [string, number].

Output

A formatted string combining the tuple elements.

Sample tests

Sample 1

Input: ["Alice", 30]
Expected: "Alice is 30"

Your solution

Learning objective

Learn tuple types for fixed-length, fixed-type arrays and destructuring.