public static SortedDictionary <K, IList <T> > ToSortedDictionaryMany <T, K>(this IEnumerable <T> list,
Func <T, K> keyFunc)
{
var dict = new SortedDictionary <K, IList <T> >();
foreach (var item in list)
{
dict.AddToDictionary(keyFunc(item), item);
}
return(dict);
}
public static SortedDictionary <K, IList <V> > ToSortedDictionaryMany <T, K, V>(this IList <T> list,
Func <T, K> keyFunc,
Func <T, V> valueFunc)
{
var dict = new SortedDictionary <K, IList <V> >();
foreach (var item in list)
{
dict.AddToDictionary(keyFunc(item), valueFunc(item));
}
return(dict);
}