Create< TSource >()

static Lookup< TKey, TElement > System.Linq.Lookup< TKey, TElement >.Create< TSource > ( IEnumerable< TSource > source, Func< TSource, TKey > keySelector, Func< TSource, TElement > elementSelector, IEqualityComparer< TKey > comparer )

inlinestaticpackage

Definition at line 88 of file Lookup.cs.

    {
        Lookup<TKey, TElement> lookup = new Lookup<TKey, TElement>(comparer);
        foreach (TSource item in source)
        {
            lookup.GetGrouping(keySelector(item), create: true).Add(elementSelector(item));
        }
        return lookup;
    }

References System.Add, System.comparer, System.Linq.elementSelector, System.item, System.Linq.keySelector, and System.Linq.source.