Function arrayUnshift

src/common/array.ts:98–101

(
  array: Value[],
  ...values: Value[]
)

  array.pop();

export const arrayUnshift = <Value>(
  array: Value[],
  ...values: Value[]
): number => array.unshift(...values);

export const arrayShift = <Value>(array: Value[]): Value | undefined =>
  array.shift();