// @nuget: System.Linq.Dynamic.Core

#nullable enable

​

using System;

using System.Collections.Generic;

using System.Linq.Dynamic.Core;

using System.Linq.Dynamic.Core.CustomTypeProviders;

using System.Reflection;

​

public class Program

{

    public static void Main()

    {

        ParsingConfig parsingConfig = new() { CustomTypeProvider = new CustomTypeProvider() };

        const string filter = "value == @0";

        var substitutions = new object?[] { null };

        var expression = DynamicExpressionParser.ParseLambda<View, bool>(

            parsingConfig,

            createParameterCtor: false,

            filter,

            substitutions); // Example of CS8620

        Console.WriteLine(expression);

    }

    private sealed class CustomTypeProvider : IDynamicLinkCustomTypeProvider

    {

        public HashSet<Type> GetCustomTypes() => new() { /*...*/ };

​

        // Example of CS8766

        public Dictionary<Type, List<MethodInfo>>? GetExtensionMethods() => null;

​

        // Example of CS8603

        public Type ResolveType(string? typeName) => null;

​

        // Example of workaround

        public Type ResolveTypeBySimpleName(string? simpleTypeName) => null!;

    }

    private sealed class View

    {

        public string? Value { get; set; }

    }

}

​