Function arrayGetOrExtend

arrayGetOrExtend<T extends object>(arr: T[], index: number, default_value: T): T
Gets the element at the given index, extending with shallow copies if out of bounds.
Type Parameters
- T extends object
  Element type.
Parameters
- arr: T[]
  The array.
- index: number
  Non-negative index.
- default_value: T
  Template for new entries (shallow-copied).
Returns T
The element at index.

Throws
If index is negative.
- Defined in src/data-structure/array.ts:37