lemu/debug/mod.rs
1pub mod info;
2pub mod printable;
3
4/// kill me
5pub fn ff(f: f64) -> String {
6 let mut s = f.to_string().into_bytes();
7 if let Some((dot, _)) = s.iter().enumerate().find(|&(_, b)| *b == b'.') {
8 let mut real = 0;
9 for b in &mut s[dot..].iter_mut().skip(1) {
10 match b {
11 _ if real > 4 => {
12 s.truncate(dot + real);
13 break;
14 }
15 b'1'..=b'9' => real += 1,
16 _ => {
17 s.truncate(dot + real);
18 break;
19 }
20 }
21 }
22 }
23 String::from_utf8(s).unwrap()
24}