rust-polimorfismo-4.rs

use std::io::Write;
use std::io::Result;

#[derive(Debug)]
struct ArrayWrapper {
    pub buffer: Vec<u8>,
}

impl Write for ArrayWrapper {
    fn write(&mut self, buf: &[u8]) -> Result<usize> {
        for byte in buf {
            self.buffer.push(byte.clone())
        }

        Ok(buf.len())
    }

    fn flush(&mut self) -> Result<()> {
        Ok(())
    }
}

fn main() {
    let bytes = vec![128, 255, 144];
    let mut array_wrapper = ArrayWrapper {
        buffer: vec![]
    };

    let _ = array_wrapper.write(&bytes);

    println!("{:?}", array_wrapper);
}