createFromMap<TKey, TValue> method

Lookup<TKey, TValue> createFromMap <TKey, TValue>(
  1. Map<TKey, TValue> map,
  2. EqualityComparer<TKey> comparer
)

Implementation

static Lookup<TKey, TValue> createFromMap<TKey, TValue>(
  Map<TKey, TValue> map,
  EqualityComparer<TKey> comparer,
) {
  ArgumentError.checkNotNull(map);
  return Lookup.create(
    map.entries,
    (entry) => entry.key,
    (entry) => entry.value,
    comparer,
  );
}