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#![allow(dead_code)]
#![deny(unused_imports)]
use std::fs::File;
use std::io::{BufRead, BufReader, Read};
//~^ ERROR unused import: `BufRead`
pub fn read_from_file(path: &str) {
let file = File::open(&path).unwrap();
let mut reader = BufReader::new(file);
let mut s = String::new();
reader.read_to_string(&mut s).unwrap();
}
pub fn read_lines(s: &str) {
for _line in s.lines() {
}
}
fn main() {}
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