init

init<A>(data): Option<readonly A[]>

Defined in: Core/Arr.ts:69

Returns all elements except the last, or None if the array is empty.

Type Parameters

A

A

Parameters

data

readonly A[]

Returns

Option<readonly A[]>

Example

Arr.init([1, 2, 3]); // Some([1, 2])
Arr.init([]); // None