// @nuget: Z.Expressions.Eval

​

using System;

using Z.Expressions;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {       

        var compiled = Eval.Compile("{0} + {1}", typeof(int), typeof(int));

        object resul = compiled(1, 2);

        Console.WriteLine(resul);

        // Overload: params Type[]

        var values_1 = new List<int>() {1, 2};

        var types = values_1.Select(x => x.GetType()).ToArray();

        var compiled_2 = Eval.Compile("{0} + {1}", types);

        var result = compiled_2(values_1);

        Console.WriteLine(result);

        // Overload: IDictionary<string, Type>

        var values_2 = new Dictionary<string, object> { {"X", 1}, {"Y", 2} };

        var types_2 = values_2.ToDictionary(x => x.Key, x => x.Value.GetType());

        var compiled_3 = Eval.Compile("X + Y", types_2);

        result = compiled_3(values_2);

        Console.WriteLine(result);

    }

}