code: func NewAttemptExecuting(curExID uint32) *Attempt {
  	return &Attempt{
  		Data: &Attempt_Data{
  			NumExecutions: curExID,
  			AttemptType: &Attempt_Data_Executing_{
  				&Attempt_Data_Executing{CurExecutionId: curExID}}}}
  }
docs: // NewAttemptExecuting creates an Attempt in the EXECUTING state.