message: Simplify do_memory_loop implementation
diff: @@ -140,14 +140,8 @@ fn do_storage_loop<S: Storage, A: Api, Q: Querier>(
  fn do_memory_loop() -> Result<HandleResponse> {
  let mut data = vec![1usize];
  loop {
  - // increase by one element
  - data.push(*data.last().expect("must not be empty"));
  -
  - // Override all entries
  - let value = data.len();
  - let _overrides = data.iter_mut().map(|x| *x = value).count();
  -
  - println!("{:?}", data);
  + // add one element
  + data.push((*data.last().expect("must not be empty")) + 1);
  }
  }
  