public static CollectionDictionary <TKey, TElement> ToCollectionDictionary <TSource, TKey, TElement>(this IEnumerable <TSource> source,
Func <TSource, TKey> keySelector, Func <TSource, TElement> elementSelector) where TElement : class
{
var result = new CollectionDictionary <TKey, TElement>();
foreach (var element in source)
{
result.AddValue(keySelector(element), elementSelector(element), true);
}
return(result);
}
public static CollectionDictionary <TKey, TElement> MergeWith <TKey, TElement>(this CollectionDictionary <TKey, TElement> collectionDictionary, params IDictionary <TKey, TElement>[] dictionaries)
{
var result = new CollectionDictionary <TKey, TElement>(collectionDictionary);
foreach (var dict in dictionaries)
{
foreach (var x in dict)
{
result.AddValue(x.Key, x.Value);
}
}
return(result);
}