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Require Ord for rustc_index::SparseBitSet::last_set_in

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This commit is contained in:
pierwill 2021-12-07 11:03:53 -06:00
parent 8df9248591
commit a4a8c241c7
1 changed files with 8 additions and 3 deletions
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11
compiler/rustc_index/src/bit_set.rs
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@ -715,6 +715,10 @@ impl<T: Idx> SparseBitSet<T> {
self.elems.iter() self.elems.iter()
} }
bit_relations_inherent_impls! {}
}
impl<T: Idx + Ord> SparseBitSet<T> {
fn last_set_in(&self, range: impl RangeBounds<T>) -> Option<T> { fn last_set_in(&self, range: impl RangeBounds<T>) -> Option<T> {
let mut last_leq = None; let mut last_leq = None;
for e in self.iter() { for e in self.iter() {
@ -724,8 +728,6 @@ impl<T: Idx> SparseBitSet<T> {
} }
last_leq last_leq
} }
bit_relations_inherent_impls! {}
} }
/// A fixed-size bitset type with a hybrid representation: sparse when there /// A fixed-size bitset type with a hybrid representation: sparse when there
@ -802,7 +804,10 @@ impl<T: Idx> HybridBitSet<T> {
/// Returns the previous element present in the bitset from `elem`, /// Returns the previous element present in the bitset from `elem`,
/// inclusively of elem. That is, will return `Some(elem)` if elem is in the /// inclusively of elem. That is, will return `Some(elem)` if elem is in the
/// bitset. /// bitset.
pub fn last_set_in(&self, range: impl RangeBounds<T>) -> Option<T> { pub fn last_set_in(&self, range: impl RangeBounds<T>) -> Option<T>
where
T: Ord,
{
match self { match self {
HybridBitSet::Sparse(sparse) => sparse.last_set_in(range), HybridBitSet::Sparse(sparse) => sparse.last_set_in(range),
HybridBitSet::Dense(dense) => dense.last_set_in(range), HybridBitSet::Dense(dense) => dense.last_set_in(range),