1use core::fmt::{Formatter, LowerHex, Result, UpperHex};
2
3use super::BytesRef;
4use crate::{Bytes, BytesMut};
5
6impl LowerHex for BytesRef<'_> {
7 fn fmt(&self, f: &mut Formatter<'_>) -> Result {
8 for &b in self.0 {
9 write!(f, "{:02x}", b)?;
10 }
11 Ok(())
12 }
13}
14
15impl UpperHex for BytesRef<'_> {
16 fn fmt(&self, f: &mut Formatter<'_>) -> Result {
17 for &b in self.0 {
18 write!(f, "{:02X}", b)?;
19 }
20 Ok(())
21 }
22}
23
24macro_rules! hex_impl {
25 ($tr:ident, $ty:ty) => {
26 impl $tr for $ty {
27 fn fmt(&self, f: &mut Formatter<'_>) -> Result {
28 $tr::fmt(&BytesRef(self.as_ref()), f)
29 }
30 }
31 };
32}
33
34hex_impl!(LowerHex, Bytes);
35hex_impl!(LowerHex, BytesMut);
36hex_impl!(UpperHex, Bytes);
37hex_impl!(UpperHex, BytesMut);
38