blob: 4b4b679849079ed7f598f70c2d3bdea98293e89b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
pub mod error;
pub mod prelude;
pub use crate::prelude::Result;
use std::fs::File;
use std::io::BufReader;
use std::io::prelude::*;
pub fn greeting() -> Result<()> {
println!("Hello, Irenes!");
Ok(())
}
pub fn read_int_file(filename: &str) -> Result<Vec<i64>> {
let file = File::open(filename)?;
let mut reader = BufReader::new(file);
let mut buffer = String::new();
let mut input: Vec<i64> = Vec::new();
loop {
reader.read_line(&mut buffer)?;
if buffer.len() == 0 {
break;
}
let item = buffer.trim().parse::<i64>()?;
buffer.clear();
input.push(item);
}
Ok(input)
}
|