Release v2.3.0 · dmmulroy/better-result

v2.3.0

Result.flatten() — Unwrap nested Result<Result<T, E>, E> into Result<T, E> (#15)

const nested: Result<Result<number, Error>, Error> = Result.ok(Result.ok(42));
const flat: Result<number, Error> = Result.flatten(nested);

Result.partition() — Split an array of Results into separate ok and err arrays (#11)
```
const [successes, failures] = Result.partition(results);
```
isOk() / isErr() type guards — Instance methods for type narrowing in conditionals (#13)
```
if (result.isOk()) {
  console.log(result.value); // typed as T
}
```

Err covariance fix — Err is now covariant in phantom T via never params, enabling ergonomic early returns without explicit type annotations (#16)

Full Changelog: v2.1.0...v2.3.0