easy_hex/
fmt.rs

1use std::fmt;
2
3use crate::{encode::fast_serialize, Hex, UpperHex, LOWER, UPPER};
4
5macro_rules! impl_fmt {
6    ($Hex:ident, $Trait:ident, $case:ident, $FmtTrait:ident) => {
7        impl<T> fmt::$Trait for $Hex<T>
8        where
9            T: AsRef<[u8]> + ?Sized,
10        {
11            fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
12                fast_serialize::<_, _, $case>(&self.0, |s| fmt::$FmtTrait::fmt(s, f))
13            }
14        }
15    };
16}
17
18impl_fmt!(Hex, Display, LOWER, Display);
19impl_fmt!(Hex, Debug, LOWER, Debug);
20impl_fmt!(Hex, LowerHex, LOWER, Display);
21impl_fmt!(Hex, UpperHex, UPPER, Display);
22
23impl_fmt!(UpperHex, Display, UPPER, Display);
24impl_fmt!(UpperHex, Debug, UPPER, Debug);
25impl_fmt!(UpperHex, LowerHex, LOWER, Display);
26impl_fmt!(UpperHex, UpperHex, UPPER, Display);
27
28#[test]
29fn test_lower() {
30    let hex = Hex([1_u8, 0x99, 0xff]);
31
32    assert_eq!(format!("{}", hex), "0199ff");
33    assert_eq!(format!("{:?}", hex), "\"0199ff\"");
34    assert_eq!(format!("{:x}", hex), "0199ff");
35    assert_eq!(format!("{:X}", hex), "0199FF");
36}
37
38#[test]
39fn test_upper() {
40    let hex = UpperHex([1_u8, 0x99, 0xff]);
41
42    assert_eq!(format!("{}", hex), "0199FF");
43    assert_eq!(format!("{:?}", hex), "\"0199FF\"");
44    assert_eq!(format!("{:x}", hex), "0199ff");
45    assert_eq!(format!("{:X}", hex), "0199FF");
46}
easy_hex/fmt.rs

easy_hex/
fmt.rs
