bjoernager/rust
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implement container::Mutable for SmallIntMap

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This commit is contained in:
Daniel Micay 2013-01-31 17:28:37 -05:00
parent aac91267e3
commit 9ba7114515
1 changed files with 17 additions and 3 deletions
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20
src/libstd/smallintmap.rs
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@ -95,6 +95,10 @@ impl<V> SmallIntMap<V>: Container {
pure fn is_empty(&self) -> bool { self.len() == 0 }
}
impl<V> SmallIntMap<V>: Mutable {
fn clear(&mut self) { self.v.set(~[]) }
}
/// Implements the map::map interface for smallintmap
impl<V: Copy> SmallIntMap<V> {
#[inline(always)]
@ -111,9 +115,6 @@ impl<V: Copy> SmallIntMap<V> {
self.v.set_elt(key, None);
old.is_some()
}
fn clear() {
self.v.set(~[]);
}
pure fn contains_key(key: uint) -> bool {
contains_key(self, key)
}
@ -191,6 +192,19 @@ mod tests {
assert !map.is_empty();
}
#[test]
fn test_clear() {
let mut map = mk();
map.insert(5, 20);
map.insert(11, 12);
map.insert(14, 22);
map.clear();
assert map.is_empty();
assert map.find(5).is_none();
assert map.find(11).is_none();
assert map.find(14).is_none();
}
#[test]
fn test_insert_with_key() {
let map: SmallIntMap<uint> = mk();