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fix: Type::{And, Or}(Set<Type>)

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This commit is contained in:
Shunsuke Shibayama 2024-09-14 21:20:05 +09:00
parent 82bc710827
commit b0c31370c5
14 changed files with 661 additions and 466 deletions
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14
crates/erg_common/set.rs
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@ -382,6 +382,20 @@ impl<T: Hash + Eq + Clone> Set<T> {
self.insert(other);
self
}
/// ```
/// # use erg_common::set;
/// assert_eq!(set!{1, 2}.product(&set!{3, 4}), set!{(&1, &3), (&1, &4), (&2, &3), (&2, &4)});
/// ```
pub fn product<'l, 'r, U: Hash + Eq>(&'l self, other: &'r Set<U>) -> Set<(&'l T, &'r U)> {
let mut res = set! {};
for x in self.iter() {
for y in other.iter() {
res.insert((x, y));
}
}
res
}
}
impl<T: Hash + Ord> Set<T> {