public static IIndexed <TKey, TValue> ToIndexed <T, TKey, TValue, TComparer>(
this IEnumerable <T> enumerable,
Func <T, TKey> keySelector,
Func <T, TValue> valueSelector,
TComparer comparer
) where TComparer : IEqualityComparer <TKey>
{
var dictionary = new DictionarySlim <TKey, TValue, TComparer>(comparer);
foreach (var item in enumerable)
{
dictionary.AddOrReplace(keySelector(item), valueSelector(item));
}
return(dictionary);
}
