ToImmutableDictionary< TSource, TKey, TValue >() [3/3]

static ImmutableDictionary< TKey, TValue > System.Collections.Immutable.ImmutableDictionary< TKey, TValue >.ToImmutableDictionary< TSource, TKey, TValue > ( this IEnumerable< TSource > source, Func< TSource, TKey > keySelector, Func< TSource, TValue > elementSelector, IEqualityComparer< TKey >? keyComparer, IEqualityComparer< TValue >? valueComparer )

inlinestatic

Type Constraints

TKey

:

notnull

Definition at line 56 of file ImmutableDictionary.cs.

                                                                                                                                                                                                                                                                                                      : notnull
    {
        Func<TSource, TKey> keySelector2 = keySelector;
        Func<TSource, TValue> elementSelector2 = elementSelector;
        Requires.NotNull(source, "source");
        Requires.NotNull(keySelector2, "keySelector");
        Requires.NotNull(elementSelector2, "elementSelector");
        return ImmutableDictionary<TKey, TValue>.Empty.WithComparers(keyComparer, valueComparer).AddRange(source.Select((TSource element) => new KeyValuePair<TKey, TValue>(keySelector2(element), elementSelector2(element))));
    }

References System.Collections.Generic.Dictionary< TKey, TValue >.AddRange(), System.Linq.elementSelector, System.Linq.keySelector, and System.source.