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unshift()

unshift<T>(arr): (x) => T[]

Returns a new array with the given value added to the start.

Type Parameters​

• T

The type of array elements.

Parameters​

arr​

T[]

The array to add an item to.

Returns​

Function

Parameters​

x​

T

Returns​

T[]

Remarks​

pure function

Example​

import { unshift } from '@accelint/core';

push([1, 2, 3, 4])(0);
// [0, 1, 2, 3, 4]