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Merge pull request #808 from rick-de-water/nonnil-debug-format

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Add a manual `Debug` implementation for NonNilUUid
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Ashley Mannix 2025-02-26 10:50:57 +10:00 committed by GitHub
commit a3eaab0870
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1 changed files with 17 additions and 2 deletions
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19
src/non_nil.rs
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@ -33,12 +33,18 @@ use crate::{
/// may change. It is currently only guaranteed that `NonNilUuid` and `Option<NonNilUuid>`
/// are the same size as `Uuid`.
#[repr(transparent)]
#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
#[derive(Copy, Clone, PartialEq, Eq, Hash)]
pub struct NonNilUuid(NonZeroU128);
impl fmt::Debug for NonNilUuid {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
fmt::Debug::fmt(&Uuid::from(*self), f)
}
}
impl fmt::Display for NonNilUuid {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{}", Uuid::from(*self))
fmt::Display::fmt(&Uuid::from(*self), f)
}
}
@ -139,4 +145,13 @@ mod tests {
assert!(NonNilUuid::try_from(Uuid::nil()).is_err());
assert!(NonNilUuid::new(Uuid::nil()).is_none());
}
#[test]
fn test_non_nil_formatting() {
let uuid = Uuid::from_u128(0x0123456789abcdef0123456789abcdef);
let non_nil = NonNilUuid::try_from(uuid).unwrap();
assert_eq!(format!("{uuid}"), format!("{non_nil}"));
assert_eq!(format!("{uuid:?}"), format!("{non_nil:?}"));
}
}