/**
 * @param {any} result 
 * @returns {import("$types/status").Error | null}
 */
export function getError(result) {
  if ('error' in result) {
    return result;
  }
  return null;
}

/**
 * @param {any} result 
 * @returns {import("$types/status").Success | null}
 */
export function getSuccess(result) {
  if ('success' in result) {
    return result;
  }
  return null;
}

/**
 * @template T
 * @param {any} result 
 * @param {function(import("$types/status").Error): T} callback 
 * @returns {T | undefined}
 */
export function runIfError(result, callback) {
  if ('error' in result) {
    return callback(result);
  }
}

/**
 * @template T
 * @param {any} result 
 * @param {function(import("$types/status").Success): T} callback 
 * @returns {T | undefined}
 */
export function runIfSuccess(result, callback) {
  if ('success' in result) {
    return callback(result);
  }
}