using System;

using System.Collections.Generic;

using System.Linq;

using System.Linq.Expressions;

using System.Text;

​

​

public class Program

{

    static public void Test(Expression<Action<char>> action) 

    {

        Console.WriteLine("Test()");

    }

​

    static public void Test<T>(Expression<Func<char, T>> func) 

    {

        Console.WriteLine("Test<T>()");

    }

​

    static public void Main()

    {

        var sb = new StringBuilder();

        Test(action: c => sb.Append(c) );

        Test(func: c => sb.Append(c) );

    }

​

}