Dateipufferrost lesen
use std::fs::File;
use std::io::{self, prelude::*, BufReader};
fn main() -> io::Result<()> {
let file = File::open("foo.txt")?;
let reader = BufReader::new(file);
for line in reader.lines() {
println!("{}", line?);
}
Ok(())
}
Experimental Hypothesis