libcore: add find_ref/get_ref to SendMap trait

This commit is contained in:
Erick Tryzelaar 2012-09-14 16:02:02 -07:00
parent 10e317de54
commit 1834249e8d

View file

@ -22,8 +22,8 @@ trait SendMap<K:Eq Hash, V: Copy> {
fn each_value_ref(&self, blk: fn(v: &V) -> bool);
fn find(&const self, k: &K) -> Option<V>;
fn get(&const self, k: &K) -> V;
fn with_find_ref<T>(&const self, k: &K, blk: fn(Option<&V>) -> T) -> T;
fn with_get_ref<T>(&const self, k: &K, blk: fn(v: &V) -> T) -> T;
fn find_ref(&self, k: &K) -> Option<&self/V>;
fn get_ref(&self, k: &K) -> &self/V;
}
/// Open addressing with linear probing.
@ -304,6 +304,13 @@ mod linear {
}
}
fn get_ref(&self, k: &K) -> &self/V {
match self.find_ref(k) {
Some(v) => v,
None => fail fmt!("No entry found for key: %?", k),
}
}
fn each_ref(&self, blk: fn(k: &K, v: &V) -> bool) {
for vec::each(self.buckets) |slot| {
let mut broke = false;