update
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parent
8f063efbbe
commit
dcd876a636
26
src/main.rs
26
src/main.rs
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@ -1,3 +1,29 @@
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use std::{fs, io::{self, BufRead, BufReader}};
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fn main() {
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fn main() {
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println!("Hello, world!");
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println!("Hello, world!");
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}
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}
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fn read_codes(code_file : &str) -> io::Result<Vec<u32>> {
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let file = fs::File::open(code_file)?;
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let reader = BufReader::new(file);
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let mut codes = Vec::new();
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let mut line_count = 0;
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for line in reader.lines() {
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if let Ok(l) = line {
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let r_str = l.as_str();
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let code_vec : Vec<&str> = r_str.split(' ').collect();
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if code_vec.len() == 2 {
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let val1 : u32 = code_vec[0].parse().unwrap_or_default();
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let val2 : u32 = code_vec[1].parse().unwrap_or_default();
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codes.push(val1);
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codes.push(val2);
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} else {
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println!("code error at line {}.", line_count);
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}
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}
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line_count += 1;
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}
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Ok(codes)
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}
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