Function isOk

isOk<E, T>(res: Result.Result<E, T>): res is Ok<T>
Checks whether the result is an Ok.
Type Parameters
- E
- T
Parameters
- res: Result.Result<E, T>
  The result to be checked.
Returns res is Ok<T>
Whether the result is an Ok.

Examples
Example
```
expect(isOk(ok(-3))).toStrictEqual(true);
expect(isOk(err("Some error message"))).toStrictEqual(false);
```
- Defined in src/result.ts:172