ircsharp/IRCStates/Extensions.cs

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

namespace IRCStates
{
    public static class Extensions
    {
        /// <summary>
        /// Update the dictionary with <see cref="other"/>'s keys and values
        /// </summary>
        /// <param name="dict"></param>
        /// <param name="other"></param>
        /// <typeparam name="TKey"></typeparam>
        /// <typeparam name="TValue"></typeparam>
        public static void UpdateWith<TKey, TValue>(this Dictionary<TKey, TValue> dict, Dictionary<TKey, TValue> other)
        {
            if (dict == null || other == null || !other.Any()) return;

            foreach (var (key, value) in other) dict[key] = value;
        }
    }
}