IsProperSubsetOf() [2/2]

static bool System.Collections.Immutable.ImmutableHashSet< T >.IsProperSubsetOf ( IEnumerable< T > other, MutationInput origin )

inlinestaticprivate

Definition at line 1160 of file ImmutableHashSet.cs.

    {
        Requires.NotNull(other, "other");
        if (origin.Root.IsEmpty)
        {
            return other.Any();
        }
        HashSet<T> hashSet = new HashSet<T>(other, origin.EqualityComparer);
        if (origin.Count >= hashSet.Count)
        {
            return false;
        }
        int num = 0;
        bool flag = false;
        foreach (T item in hashSet)
        {
            if (Contains(item, origin))
            {
                num++;
            }
            else
            {
                flag = true;
            }
            if (num == origin.Count && flag)
            {
                return true;
            }
        }
        return false;
    }

References System.Collections.Immutable.ImmutableHashSet< T >.Contains(), System.Collections.Immutable.ImmutableHashSet< T >.MutationInput.Count, System.Collections.Generic.Dictionary< TKey, TValue >.Count, System.Collections.Immutable.ImmutableHashSet< T >.MutationInput.EqualityComparer, System.item, System.other, and System.Collections.Immutable.ImmutableHashSet< T >.MutationInput.Root.