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Key value ref unchecked

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This commit is contained in:
Gwilym Inzani 2023-05-09 21:37:20 +01:00
parent dc8589479e
commit 917163f88b
2 changed files with 8 additions and 9 deletions
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9
agb-hashmap/src/lib.rs
View file

@ -350,9 +350,12 @@ where
{ {
let hash = self.hash(key); let hash = self.hash(key);
self.nodes let location = self.nodes.location(key, hash)?;
.location(key, hash) Some(unsafe {
.and_then(|location| self.nodes.node_at(location).key_value_ref()) self.nodes
.node_at_unchecked(location)
.key_value_ref_unchecked()
})
} }
/// Returns a reference to the value corresponding to the key. Returns [`None`] if there is /// Returns a reference to the value corresponding to the key. Returns [`None`] if there is

8
agb-hashmap/src/node.rs
View file

@ -66,12 +66,8 @@ impl<K, V> Node<K, V> {
} }
} }
pub(crate) fn key_value_ref(&self) -> Option<(&K, &V)> { pub(crate) unsafe fn key_value_ref_unchecked(&self) -> (&K, &V) {
if self.has_value() { (self.key.assume_init_ref(), self.value.assume_init_ref())
Some(unsafe { (self.key.assume_init_ref(), self.value.assume_init_ref()) })
} else {
None
}
} }
pub(crate) fn key_value_mut(&mut self) -> Option<(&K, &mut V)> { pub(crate) fn key_value_mut(&mut self) -> Option<(&K, &mut V)> {