🔄 Swaps the positions of two elements in an array.
✅
Immutable: This function does not mutate the original array.
Syntax
import { swap } from '@opentf/std';
swap<T>(arr: T[], x: number, y: number): T[]Parameters
arr: The source array.x: The index of the first element to swap.y: The index of the second element to swap.
Returns
A new array with the elements swapped.
Examples
swap([], 0, 0) //=> []
swap([], 0, 1) //=> []
swap([0], 0, 1) //=> [undefined, 0]
swap([1, 2, 3], 1, 2) //=> [1, 3, 2]
swap([1, 2, 3], 1, 5) //=> [1, undefined, 3, , , 2]
const arr = [{ a: 1 }, { b: 'a' }, { c: [5] }];
swap(arr, 0, 2)
//=> [
// {
// c: [5],
// },
// {
// b: 'a',
// },
// {
// a: 1,
// },
// ]