Function sp_trie::record_all_keys

pub fn record_all_keys<L: TrieConfiguration, DB>(
    db: &DB, 
    root: &TrieHash<L>, 
    recorder: &mut Recorder<TrieHash<L>>
) -> Result<(), Box<TrieError<L>>> where
    DB: HashDBRef<L::Hash, DBValue>, 

Record all keys for a given root.