atOrElse

atOrElse(array, offset, fallback)

Returns the value at the specified offset. Calls fallback if the offset was out of range, or the retrieved value was nullable.

data-first

atOrElse([1, null], -1, (array) => array.length); // 2

data-last

pipe(
    [1, null],
    atOrElse(-1, (array) => array.length),
); // 2