public IEnumerator <IGrouping <TKey, TElement> > GetEnumerator()
{
return(Lookup <TKey, TElement> .Create <TSource>(this.source, this.keySelector, this.elementSelector, this.comparer).GetEnumerator());
}
public IEnumerator <TResult> GetEnumerator()
{
Lookup <TKey, TElement> lookup = Lookup <TKey, TElement> .Create(_source, _keySelector, _elementSelector, _comparer);
return(lookup.ApplyResultSelector(_resultSelector).GetEnumerator());
}
public static ILookup <TKey, TElement> ToLookup <TSource, TKey, TElement>(this IEnumerable <TSource> source, Func <TSource, TKey> keySelector, Func <TSource, TElement> elementSelector)
{
return(Lookup <TKey, TElement> .Create(source, keySelector, elementSelector, null));
}
public static ILookup <TKey, TElement> ToLookup <TSource, TKey, TElement>(this IEnumerable <TSource> source, Func <TSource, TKey> keySelector, Func <TSource, TElement> elementSelector, IEqualityComparer <TKey> comparer)
{
return(Lookup <TKey, TElement> .Create(source, keySelector, elementSelector, comparer));
}
public static ILookup <TKey, TSource> ToLookup <TSource, TKey>(this IEnumerable <TSource> source, Func <TSource, TKey> keySelector)
{
return(Lookup <TKey, TSource> .Create(source, keySelector, FuncHelper.GetIdentityFunc <TSource>(), null));
}
public static ILookup <TKey, TSource> ToLookup <TSource, TKey>(this IEnumerable <TSource> source, Func <TSource, TKey> keySelector, IEqualityComparer <TKey> comparer)
{
return(Lookup <TKey, TSource> .Create(source, keySelector, FuncHelper.GetIdentityFunc <TSource>(), comparer));
}
public List <IGrouping <TKey, TElement> > ToList()
{
IIListProvider <IGrouping <TKey, TElement> > lookup = Lookup <TKey, TElement> .Create(_source, _keySelector, _elementSelector, _comparer);
return(lookup.ToList());
}
public int GetCount(bool onlyIfCheap)
{
return(onlyIfCheap ? -1 : Lookup <TKey, TElement> .Create(_source, _keySelector, _elementSelector, _comparer).Count);
}
public IEnumerator <IGrouping <TKey, TElement> > GetEnumerator()
{
return(Lookup <TKey, TElement> .Create(_source, _keySelector, _elementSelector, _comparer).GetEnumerator());
}
public List <TResult> ToList()
{
return(Lookup <TKey, TElement> .Create(_source, _keySelector, _elementSelector, _comparer).ToList(_resultSelector));
}
public TResult[] ToArray()
{
return(Lookup <TKey, TElement> .Create(_source, _keySelector, _elementSelector, _comparer).ToArray(_resultSelector));
}
public static ILookup <TKey, TSource> ToLookup <TSource, TKey>(this IEnumerable <TSource> source,
Func <TSource, TKey> keySelector)
{
return(Lookup <TKey, TSource> .Create(source, keySelector, x => x, null));
}
public SystemLinq_LookupDebugView(Lookup <TKey, TElement> lookup)
{
_lookup = lookup;
}