member :: forall s k v. (Foldable s k, Ord k) => s -> Trie s k v -> BoolSourcelookup :: forall s m k v. (Foldable s k, Monad m, Ord k) => s -> Trie s k v -> m vSourceprefixLookup :: forall s k v result. (Ord k, Sequence s k, Sequence result (s, v)) => s -> Trie s k v -> resultSourceprefixLookup k p returns a sequence of all (k',v) pairs, such that k is a prefix of k'.