Method exception

future-java/src/main/java/io/trane/future/Future.java:179–179

Creates a failed future. @param ex the failure. @param the type of the failed future. @return the failed future.

(final Throwable ex)

   * @return     the failed future.
   */
  public static <T> Future<T> exception(final Throwable ex) {
    return new ExceptionFuture<>(ex);
  }