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use crate::{Bytes, BytesMut};
use core::fmt::{Formatter, LowerHex, Result, UpperHex};
struct BytesRef<'a>(&'a [u8]);
impl<'a> LowerHex for BytesRef<'a> {
fn fmt(&self, f: &mut Formatter<'_>) -> Result {
for b in self.0 {
write!(f, "{:02x}", b)?;
}
Ok(())
}
}
impl<'a> UpperHex for BytesRef<'a> {
fn fmt(&self, f: &mut Formatter<'_>) -> Result {
for b in self.0 {
write!(f, "{:02X}", b)?;
}
Ok(())
}
}
macro_rules! hex_impl {
($tr:ident, $ty:ty) => {
impl $tr for $ty {
fn fmt(&self, f: &mut Formatter<'_>) -> Result {
$tr::fmt(&BytesRef(self.as_ref()), f)
}
}
};
}
hex_impl!(LowerHex, Bytes);
hex_impl!(LowerHex, BytesMut);
hex_impl!(UpperHex, Bytes);
hex_impl!(UpperHex, BytesMut);
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