{"ast_node_type":"other","tokens":[{"end":65,"kind":"keyword","start":0,"text":"impl<K:"}]}
impl<K: Eq + Hash, V> FromIterator<(K, V)> for SsoHashMap<K, V> {
    fn from_iter<I: IntoIterator<Item = (K, V)>>(iter: I) -> SsoHashMap<K, V> {