namespace Microsoft.ML.Probabilistic.Collections
{
    [DataContract]
    [DefaultMember("Item")]
    public class ApproximateSparseList<T> : SparseList<T>, ISparseEnumerable<T>, ISparseList<T>, ICollection<T>, IEnumerable<T>, IList<T>, ICollection, IEnumerable, IList, ICloneable
        where T, Diffable
    {
        public ApproximateSparseList<T> SetToFunction<T1, T2>(SparseList<T1> a, SparseList<T2> b, Func<T1, T2, T> fun);
    }
}