18610141464

Committed 18 Oct 2025 03:29AM UTC coverage: 93.867% (-1.0%) from 94.844%

Build # 18610141464

Build Type

push

github

Committed by

demosdemon

Commit Message

feat: simplify hex-display

Run Details

14 of 15 new or added lines in 1 file covered. (93.33%)

2 existing lines in 1 file now uncovered.

704 of 750 relevant lines covered (93.87%)

425.25 hits per line

Source File
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83.33

/crates/git-remote-codecommit/src/hex.rs

pub struct HexDisplay([u8; 32]);

impl core::fmt::Debug for HexDisplay {
    fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
        std::fmt::Display::fmt(self, f)
    }
}

impl core::fmt::Display for HexDisplay {
    fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
        const CHARSET: &[u8; 16] = b"0123456789abcdef";

        let mut buf = [0u8; 64];
        // SAFETY: 64 is evenly divisible by 2
        unsafe { buf.as_chunks_unchecked_mut::<2>() }
            .iter_mut()
            .zip(self.0.as_ref())
            .for_each(|(slot, &byte)| {
                slot[0] = CHARSET[(byte >> 4) as usize];
                slot[1] = CHARSET[(byte & 0x0F) as usize];
            });

        // SAFETY: buf only contains valid ASCII hex characters
        let buf = unsafe { core::str::from_utf8_unchecked(&buf) };

        f.pad(buf)
    }
}

pub trait HexDisplayExt {
    fn hex_display(self) -> HexDisplay;
}

impl<T: Into<[u8; 32]>> HexDisplayExt for T {
    fn hex_display(self) -> HexDisplay {
        HexDisplay(self.into())
    }
}

1	pub struct HexDisplay([u8; 32]);
2
3	impl core::fmt::Debug for HexDisplay {
UNCOV 4	fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {	×
NEW 5	std::fmt::Display::fmt(self, f)	×
UNCOV 6	}	×
7	}
8
9	impl core::fmt::Display for HexDisplay {
10	fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {	374✔
11	const CHARSET: &[u8; 16] = b"0123456789abcdef";
12
13	let mut buf = [0u8; 64];	374✔
14	// SAFETY: 64 is evenly divisible by 2
15	unsafe { buf.as_chunks_unchecked_mut::<2>() }	374✔
16	.iter_mut()	374✔
17	.zip(self.0.as_ref())	374✔
18	.for_each(\|(slot, &byte)\| {	11,968✔
19	slot[0] = CHARSET[(byte >> 4) as usize];	11,968✔
20	slot[1] = CHARSET[(byte & 0x0F) as usize];	11,968✔
21	});	11,968✔
22
23	// SAFETY: buf only contains valid ASCII hex characters
24	let buf = unsafe { core::str::from_utf8_unchecked(&buf) };	374✔
25
26	f.pad(buf)	374✔
27	}	374✔
28	}
29
30	pub trait HexDisplayExt {
31	fn hex_display(self) -> HexDisplay;
32	}
33
34	impl<T: Into<[u8; 32]>> HexDisplayExt for T {
35	fn hex_display(self) -> HexDisplay {	374✔
36	HexDisplay(self.into())	374✔
37	}	374✔
38	}

demosdemon / git-remote-codecommit / 18610141464

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