public static ByteLookup <TElement> Create <TSource>(IEnumerable <TSource> source, Func <TSource, byte> keySelector, Func <TSource, TElement> elementSelector)
{
var result = new ByteLookup <TElement>();
foreach (var source1 in source)
{
result.GetGrouping(keySelector(source1)).Add(elementSelector(source1));
result.Count++;
}
return(result);
}
public IEnumerator <IGrouping <byte, TElement> > GetEnumerator()
{
return(ByteLookup <TElement>
.Create(this.source, this.keySelector, this.elementSelector)
.GetEnumerator());
}