private TreeDictionary <TKey, TValue, DefaultComparer <TKey> > CreateDictionary <TKey, TValue>(
TKey[] keys, TValue[] values) where TKey : struct
{
PexAssume.IsNotNull(keys);
PexAssume.IsNotNull(values);
PexAssume.AreEqual(keys.Length, values.Length);
PexAssume.AreDistinctValues(keys);
return(TreeDictionary.Empty <TKey, TValue>().AddAll(keys.Zip(values)));
}