Function check

modules/polaris/src/test/ts/atomic/api/ParrayGetTest.ts:9–13

(expected: Optional<string>, input: string[], offset: number)

UnitTest.test('api.PositionArray.get', () => {
  const check = (expected: Optional<string>, input: string[], offset: number) => {
    const parray = Parrays.make(input);
    const actual = PositionArray.get(parray, offset);
    KAssert.eqOptional('eq', expected, actual.map((x) => x.item));
  };

  check(Optional.none(), [], 0);
  check(Optional.some('a'), [ 'a' ], 0);