Class Respond

future-java/src/main/java/io/trane/future/Promise.java:689–700

  }

  private static class Respond<T> extends Continuation<T, T> {
    private final Responder<? super T> r;

    public Respond(final Responder<? super T> r) {
      this.r = r;
    }

    @Override
    final Future<T> apply(final Future<T> result) {
      return result.respond(r);
    }
  }

  @Override
  public final Future<T> respond(final Responder<? super T> r) {