2 #![deny(unused_imports)]
5 use std::io::{BufRead, BufReader, Read};
6 //~^ ERROR unused import: `BufRead`
8 pub fn read_from_file(path: &str) {
9 let file = File::open(&path).unwrap();
10 let mut reader = BufReader::new(file);
11 let mut s = String::new();
12 reader.read_to_string(&mut s).unwrap();
15 pub fn read_lines(s: &str) {
16 for _line in s.lines() {