using System;
using System.Reflection;

public class Test
{        
	delegate T Param<T>(params object[] args);
    static Param<T> skipArg<T>(Type type, string method, int ind, object value, Type[] types = null)
    {
        MethodInfo mi;
        if (types == null) mi = type.GetMethod(method);
        else mi = type.GetMethod(method, types);
        return delegate (object[] _args)
        {
            int len = _args.Length;
            object[] args = new object[len + 1];
            Array.Copy(_args, 0, args, 0, ind);
            Array.Copy(_args, ind, args, 1 + ind, len - ind);
            args[ind] = value;
            return (T)mi.Invoke(null, args);
        };
    }

    static void Main()
    {
        Param<double>
            pow2_ = skipArg<double>(typeof(Math), "Pow", 0, 2),
            pow_2 = skipArg<double>(typeof(Math), "Pow", 1, 2);
        var hw = skipArg<int?>(typeof(Console), "WriteLine", 0, "Hellow world!", new Type[] { typeof(string) });
        hw(); hw(); hw();
        Console.WriteLine("2 ^ 3 = {0}", pow2_(3)); // 2 ^ 3 = 8
        Console.WriteLine("3 ^ 2 = {0}", pow_2(3)); // 3 ^ 2 = 9
    }
}