Files IO Read Write.rs

let mut f = BufWrtier::new(File::create(filename).expect("Could not create file"));
 
let text = include_bytes!("filename.txt");
f.write(text);
 
let text2 = include_str!("filename.txt");
f.write(text2.as_bytes());
 
let data = vec![b"this will be represented as a vector of bytes"];
f.write(&data[..]);
    

    
use std::io::{BufReader, BufRead, BufWriter, Write};
use std::fs::File;
use std::prelude::*;
 
// Buffered file reading
let mut f = BufReader::new(File::open("filename.txt").expect("Could not open file"));

for line in f.lines() {
    match file_line {
        Err(e) => println!("Error: {}", e);
        Ok(line) => {
            // ...
        }
    }
}