firstOrDefault(default)

Get the first element of the Enumerable or, if empty, the given value.

Arguments

• default (any): value to return if Enumerable is empty.

Returns

(any): first element of the Enumerable or the given value.

Example

Enumerable
        .from([1, 2, 3])
        .firstOrDefault(47);
// 1
Enumerable
        .empty()
        .firstOrDefault(47);
// 47