public static Tuple <IEnumerable <T1>, IEnumerable <T2> > Unzip <T1, T2>(IEnumerable <Tuple <T1, T2> > ienum)
{
List <T1> first = new List <T1>();
List <T2> second = new List <T2>();
foreach (Tuple <T1, T2> t in ienum)
{
first.Add(t.Value1);
second.Add(t.Value2);
}
return(Tuples.Tuple(first as IEnumerable <T1>, second as IEnumerable <T2>));
}
public static Tuple <IEnumerable <T1>, IEnumerable <T2>, IEnumerable <T3>, IEnumerable <T4> > Unzip <T1, T2, T3, T4>(IEnumerable <Tuple <T1, T2, T3, T4> > ienum)
{
List <T1> first = new List <T1>();
List <T2> second = new List <T2>();
List <T3> third = new List <T3>();
List <T4> fourth = new List <T4>();
foreach (Tuple <T1, T2, T3, T4> t in ienum)
{
first.Add(t.Value1);
second.Add(t.Value2);
third.Add(t.Value3);
fourth.Add(t.Value4);
}
return(Tuples.Tuple(first as IEnumerable <T1>, second as IEnumerable <T2>, third as IEnumerable <T3>, fourth as IEnumerable <T4>));
}
public static Tuple <T1, T2> AsTuple <T1, T2>(KeyValuePair <T1, T2> kvp)
{
return(Tuples.Tuple(kvp.Key, kvp.Value));
}
