Function serialize_hashmap

ciphercore-base/src/graphs.rs:4333–4340

(map: HashMap<K, V>)

}

fn serialize_hashmap<K, V>(map: HashMap<K, V>) -> Vec<(K, V)>
where
    K: Ord + Copy,
{
    let mut vec: Vec<_> = map.into_iter().collect();
    vec.sort_by_key(|(k, _)| *k);
    vec
}

/// Methods which aren't supposed to be imported in Python.
impl Context {