Trait hashmap_ext::UpdateOr

pub trait UpdateOr<K, V> {
    fn update_or<F>(&mut self, key: &K, f: F, default: V)
    where
        F: FnOnce(&mut V);
}

Required Methods

fn update_or<F>(&mut self, key: &K, f: F, default: V) where
    F: FnOnce(&mut V), 

Implementors

• impl<K, V> UpdateOr<K, V> for HashMap<K, V> where
    K: Hash + Eq,
    K: Copy,