lookupWithKeyEq method
Get the value and key at given key
if present using eq
, otherwise return None.
Implementation
Option<(K, V)> lookupWithKeyEq(Eq<K> eq, K key) {
for (var entry in entries) {
if (eq.eqv(entry.key, key)) return some((entry.key, entry.value));
}
return const None();
}