Method fill_buffer

examples/complex(2 layer).rs:77–83

(&mut self, buffer_size: usize)

    async fn fill_buffer(&mut self, buffer_size: usize) -> Result<VecDeque<usize>, Terminate> {
        
        Ok((0..buffer_size)
            .into_iter()
            .map(|i| i )
            .collect::<VecDeque<usize>>())
    }
}