Function arrayGetOrExtendWith

arrayGetOrExtendWith<T extends object>(
    arr: T[],
    index: number,
    f: (index: number) => T,
): T
Gets the element at the given index. If the index is out of bounds, the array will be extended with the result of f(index).
Type Parameters
- T extends object
Parameters
- arr: T[]
- index: number
- f: (index: number) => T
Returns T
- Defined in data-structure/array.ts:50