message: more specific variable names
diff: @@ -185,19 +185,19 @@ impl PoolCommandExecutor {
  Ok(res)
  }
  - fn close(&self, handle: PoolHandle, cb: Box<Fn(IndyResult<()>) + Send>) {
  - debug!("close >>> handle: {:?}", handle);
  + fn close(&self, pool_handle: PoolHandle, cb: Box<Fn(IndyResult<()>) + Send>) {
  + debug!("close >>> handle: {:?}", pool_handle);
  - let result = self.pool_service.close(handle)
  - .and_then(|handle| {
  + let result = self.pool_service.close(pool_handle)
  + .and_then(|cmd_id| {
  match self.close_callbacks.try_borrow_mut() {
  - Ok(cbs) => Ok((cbs, handle)),
  + Ok(cbs) => Ok((cbs, cmd_id)),
  Err(err) => Err(err.into())
  }
  });
  match result {
  Err(err) => { cb(Err(err)); }
  - Ok((mut cbs, handle)) => { cbs.insert(handle, cb); /* TODO check if map contains same key */ }
  + Ok((mut cbs, cmd_id)) => { cbs.insert(cmd_id, cb); /* TODO check if map contains same key */ }
  };
  debug!("close <<<");
  