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Refactor Ord impl

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This commit is contained in:
Yota Toyama 2025-04-07 19:29:34 -07:00
parent bbd1d32885
commit 06a737a0aa
1 changed files with 10 additions and 12 deletions
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22
src/c_string.rs
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@ -319,18 +319,6 @@ impl<const N: usize, T: AsRef<CStr>> PartialOrd<T> for CString<N> {
}
}
impl<const N: usize> PartialOrd<CString<N>> for CStr {
fn partial_cmp(&self, rhs: &CString<N>) -> Option<Ordering> {
self.as_ref().partial_cmp(rhs.as_c_str())
}
}
impl<const N: usize> PartialOrd<CString<N>> for &CStr {
fn partial_cmp(&self, rhs: &CString<N>) -> Option<Ordering> {
self.as_ref().partial_cmp(rhs.as_c_str())
}
}
impl<const N: usize> Ord for CString<N> {
fn cmp(&self, rhs: &Self) -> Ordering {
self.as_c_str().cmp(rhs.as_c_str())
@ -569,6 +557,16 @@ mod tests {
.partial_cmp(&c"a"),
Some(Ordering::Greater)
);
assert_eq!(c"".partial_cmp(&CString::<1>::new()), Some(Ordering::Equal));
assert_eq!(
c"a".partial_cmp(&CString::<2>::from_bytes_with_nul(b"b\0").unwrap()),
Some(Ordering::Less)
);
assert_eq!(
c"b".partial_cmp(&CString::<2>::from_bytes_with_nul(b"a\0").unwrap()),
Some(Ordering::Greater)
);
}
}
}