public static bool NullableDictionaryEqual <TKey, TValue>(this IDictionary <TKey, TValue> first, IDictionary <TKey, TValue> second)
{
if (first == null && second == null)
{
return(true);
}
else if (first == null || second == null)
{
return(false);
}
else if (object.ReferenceEquals(first, second))
{
return(true);
}
var keyComparer = BaseEqualityComparer <KeyValuePair <TKey, TValue> > .Make((_1, _2) => object.Equals(_1.Key, _2.Key), _ => _.Key.NullableGetHashCode());
return(first.Count == second.Count && !first.Except(second, keyComparer).Any());
}
public static bool NullableSequenceEqual <TSource>(this IEnumerable <TSource> first, IEnumerable <TSource> second)
{
return(NullableSequenceEqual(first, second, BaseEqualityComparer <TSource> .Make()));
}
