Function sample

Example

sample([1, 2, 3]); // 2 (type: number | undefined)
sample(["a", "b", "c"]); // "c" (type: string | undefined)
sample([]); // undefined (type: undefined)

const a = [1, 2, 3] as const;
sample(a); // 2 (type: 1 | 2 | 3)

sample([1, 1, 1] as [number, number, number]); // 1 (type: number)
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