using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;


namespace ServerCore;

public static class KeyComparer
{
    public static List<TKey> getKeysOnlyInSecond<TKey, TValue>(Dictionary<TKey, TValue> first, Dictionary<TKey, TValue> second)
        where TKey : notnull
        where TValue : notnull
    {
        return second.Keys.Except(first.Keys).ToList();
    }

    public static List<TKey> getKeysOnlyInSecond<TKey>(List<TKey> first, List<TKey> second)
        where TKey : notnull
    {
        return second.Except(first).ToList();
    }
}