Function fn2

tests/objects.test.ts:21–27

(obj: Input)

      };

      const fn2 = (obj: Input) => {
        if (isMatching({ [symbolA]: { [symbolB]: 'bar' } }, obj)) {
          const value = obj[symbolA][symbolB];
          type t = Expect<Equal<typeof value, 'bar'>>;
          throw new Error('Expected obj to not match the bar pattern!');
        }
      };

      fn1({
        [symbolA]: { [symbolB]: 'foo' },