Function assertSplitAt

packages/effect/test/Array.test.ts:653–662

(
        input: ReadonlyArray<number>,
        index: number,
        expectedInit: ReadonlyArray<number>,
        expectedRest: ReadonlyArray<number>
      )

    it("splitAt", () => {
      const assertSplitAt = (
        input: ReadonlyArray<number>,
        index: number,
        expectedInit: ReadonlyArray<number>,
        expectedRest: ReadonlyArray<number>
      ) => {
        const [init, rest] = Arr.splitAt(index)(input)
        deepStrictEqual(init, expectedInit)
        deepStrictEqual(rest, expectedRest)
      }
      deepStrictEqual(Arr.splitAt(1)([1, 2]), [[1], [2]])
      assertSplitAt([1, 2], 2, [1, 2], [])
      deepStrictEqual(Arr.splitAt(2)([1, 2, 3, 4, 5]), [