// C# Eval Expression

// Doc: https://eval-expression.net/my-first-evaluation

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// @nuget: Z.Expressions.Eval

​

/*

## Evaluate a C# expression

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The simplest way to execute a C# expression at runtime is by using the Eval.Execute method. Under the hood, it calls the Execute method from the DefaultContext that you will learn later in this tutorial.

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The Execute method takes as the first parameter the code to execute.

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In this example, we will dynamically create a list of int and filter it using LINQ to return only items greater than 2.

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Remember that the C# Eval library supports more than this basic statement. However, we will keep it very simple in our getting started section.

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See more: https://eval-expression.net/my-first-evaluation

*/

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using System;

using System.Collections.Generic;

using Z.Expressions;

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public class Program

{

    public static void Main()

    {

        // NOTE: The returned list contains "3" and "4"

        var list = Eval.Execute(@"

            var list = new List<int>() { 1, 2, 3, 4 };

            return list.Where(x => x > 2).ToList();

        ");

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        FiddleHelper.WriteTable((List<int>)list);

    }

}