Function randomPluck

randomPluck<V>(
    array: readonly V[] | V[],
    mutate?: boolean,
    rand?: RandomSource,
): { array: V[]; value: undefined | V }
Removes a random item from an array, returning both the item and the new array as a result. Does not modify the original array unless mutate parameter is true.
Type Parameters
- V
  Type of items in array
Parameters
- array: readonly V[] | V[]
  Array to pluck item from
- mutate: boolean = false
  If true, changes input array. False by default.
- rand: RandomSource = Math.random
  Random generatr. Math.random by default.
Returns { array: V[]; value: undefined | V }
Returns an object {value:V|undefined, array:V[]}
Example: Without changing source
```
import { Arrays } from 'https://unpkg.com/ixfx/dist/data.js';

const data = [100, 20, 40];
const {value, array} = Arrays.randomPluck(data);
// value: 20, array: [100, 40], data: [100, 20, 40];
```
Example: Mutating source
```
import { Arrays } from 'https://unpkg.com/ixfx/dist/data.js';

const data = [100, 20, 40];
const {value} = Arrays.randomPluck(data, true);
// value: 20, data: [100, 40];
```