retryable-operation/src/lib/result.ts

a simple package that allow executing retryable operation and providing retry options

export type Ok<T> = { _tag: "Ok"; ok: T; isOk: true; isErr: false };
export type Err<E> = { _tag: "Err"; err: E; isErr: true; isOk: false };
export type Result<T, E> = Ok<T> | Err<E>;

export const Result = Object.freeze({
  Ok: <T, E>(ok: T): Result<T, E> => ({
    _tag: "Ok",
    ok,
    isOk: true,
    isErr: false,
  }),
  Err: <T, E>(err: E): Result<T, E> => ({
    _tag: "Err",
    err,
    isErr: true,
    isOk: false,
  }),
});