solabi/
fmt.rs

1//! Formatting helpers.
2
3use std::fmt::{self, Debug, Display, Formatter};
4
5/// A hexadecimal formater for byte slices.
6pub struct Hex<'a>(pub &'a [u8]);
7
8impl Debug for Hex<'_> {
9    fn fmt(&self, f: &mut Formatter) -> fmt::Result {
10        Display::fmt(self, f)
11    }
12}
13
14impl Display for Hex<'_> {
15    fn fmt(&self, f: &mut Formatter) -> fmt::Result {
16        f.write_str("0x")?;
17        for b in self.0 {
18            write!(f, "{b:02x}")?;
19        }
20        Ok(())
21    }
22}