ipashchuk

using System;
using System.Collections.Generic;
using System.Linq;

internal static class EnumerableMergeExtensions
{
    internal static IEnumerable<T> Merge<T, TKey>(this IEnumerable<T> left, IEnumerable<T> right, Func<T, TKey> keySelector, Func<T, T, T> resolveConflictFunc)
    {
        var join = from li in left
                   join ri in right