/**********************************************************************************************

* This fiddle is a demo of the library : CodingSeb.ExpressionEvaluator

* See : https://github.com/codingseb/ExpressionEvaluator

* For Others examples : https://dotnetfiddle.net/Packages/41132/CodingSeb_ExpressionEvaluator

**********************************************************************************************/

​

using System;

using System.Collections.Generic;

using CodingSeb.ExpressionEvaluator;

public class Program

{

    public static void Main()

    {

        ExpressionEvaluator evaluator = new ExpressionEvaluator();

        evaluator.OptionsSyntaxRules.MandatoryLastStatementTerminalPunctuator = false;

        evaluator.OptionsSyntaxRules.IsNewKeywordForAnonymousExpandoObjectOptional = true;

        evaluator.OptionsSyntaxRules.InitializerPropertyValueSeparators = new[] { "=", ":" };

        evaluator.OptionsSyntaxRules.InitializerAllowStringForProperties = true;

        evaluator.OptionsSyntaxRules.AllowSimplifiedCollectionSyntax = true;

        evaluator.OptionsSyntaxRules.SimplifiedCollectionMode = SimplifiedCollectionMode.List;

        List<string> expressions = new List<string>()

        {

            "[1,2,3,4,5].Count",

            "[1,2,3,4,5][2]",

            "var person = { LastName: \"Smith\", FirstName: \"John\" }; $\"Hello {person.FirstName} {person.LastName}\"",

            "{ \"TestProperty\": [3.3, 4.5] }.TestProperty.Cast<double>().Sum()",

            "string.Join(\"\\r\\n\", [ { LastName: \"Smith\", FirstName: \"John\" }, { LastName: \"Gate\", FirstName: \"Bill\" }, { LastName: \"Musk\", FirstName: \"Elon\" } ].Select(person => $\"Hello {person.FirstName} {person.LastName}\").ToArray())"

        };

        expressions.ForEach(expression => 

        {

            try

            {

                Console.WriteLine(expression);

                Console.WriteLine(evaluator.ScriptEvaluate(expression));

                Console.WriteLine(string.Empty);

            }

            catch(Exception exception)

            {

                Console.WriteLine(exception);

                Console.WriteLine(string.Empty);

            }

        });

    }

}