pub fn multimap_append<K: Ord + Clone, V: PartialEq>(
    m: &mut BTreeMap<K, Vec<V>>,
    other: BTreeMap<K, Vec<V>>,
) {
    for (k, v) in other {
        for value in v {
            multimap_insert(m, k.clone(), value);
        }
    }
}
/// Helper method for appending to a BTreeMap-based multi-map
Helper method for appending to a BTreeMap-based multi-map
Helper method for appending to a BTreeMap - based multi - map
pub fn multimap_append<K: Ord + Clone, V: PartialEq>(
    m: &mut BTreeMap<K, Vec<V>>,
    other: BTreeMap<K, Vec<V>>,
) {
    for (k, v) in other {
        for value in v {
            multimap_insert(m, k.clone(), value);
        }
    }
}
pub fn multimap_append < K : Ord + Clone , V : PartialEq > ( m : & mut BTreeMap < K , Vec < V > > , other : BTreeMap < K , Vec < V > > , ) { for ( k , v ) in other { for value in v { multimap_insert ( m , k . clone ( ) , value ) ; } } }
Helper method for appending to a BTreeMap-based multi-map
Helper method for appending to a BTreeMap - based multi - map
m
&mut BTreeMap<K, Vec<V>>
other
BTreeMap<K, Vec<V>>