Function safeTry

src/result.ts:122–132

(
  body:
    | (() => Generator<Err<never, E>, Result<T, E>>)
    | (() => AsyncGenerator<Err<never, E>, Result<T, E>>),
)

  InferErrTypes<YieldErr> | InferErrTypes<GeneratorReturnResult>
>
export function safeTry<T, E>(
  body:
    | (() => Generator<Err<never, E>, Result<T, E>>)
    | (() => AsyncGenerator<Err<never, E>, Result<T, E>>),
): Result<T, E> | ResultAsync<T, E> {
  const n = body().next()
  if (n instanceof Promise) {
    return new ResultAsync(n.then((r) => r.value))
  }
  return n.value
}

interface IResult<T, E> {
  /**