pub fn calc_root_build<T, I, A, B, DB>(
    data: I,
    hashdb: &mut DB
) -> <T::Hash as Hasher>::Outwhere
    T: TrieLayout,
    I: IntoIterator<Item = (A, B)>,
    A: AsRef<[u8]> + Ord + Debug,
    B: AsRef<[u8]> + Debug,
    DB: HashDB<T::Hash, DBValue>,
Expand description

Trie builder trie building utility.