C# (CSharp) System.Collections.Immutable System.Collections.Immutable.IImmutableDictionary примеры использования

Пример #1

        public static System.Collections.Immutable.IImmutableDictionary <T1, T2> Merge <T1, T2>(this System.Collections.Immutable.IImmutableDictionary <T1, T2> first, System.Collections.Immutable.IImmutableDictionary <T1, T2> second)
            where T2 : IMergeable <T2>
        {
            var newDict = first.ToDictionary(x => x.Key, x => x.Value);

            foreach (var other in second)
            {
                T2 set;
                if (newDict.TryGetValue(other.Key, out set))
                {
                    set = set.Merge(other.Value);
                    newDict[other.Key] = set;
                }
                else
                {
                    newDict.Add(other.Key, other.Value);
                }
            }
            return(ImmutableDictionary <T1, T2> .Empty.AddRange(newDict));
        }