function currying

public static Delegate To<T>(JavaScriptFunction function)
{
    var parameters = function.Method.GetParameters();
    switch (parameters.Count())
    {
        case 0:
            return new Func<T>(() => (T)function(null));
        case 1:
            return new Func<dynamic, dynamic> ((x) => (T) function(null, x));
        case 2:
            return new Func<dynamic, dynamic, T>((x, y) => (T)function(null, x, y));
        case 3:
            return new Func<dynamic, dynamic, dynamic, T>((x, y, z) => (T)function(null, x, y, z));
    }
    return null;
}