using System;

using System.Reflection;

using System.Linq.Expressions;

using System.Linq;

public class Program

{

    public static void Main()

    {

        Func<object[], UwU> func = GetExpression<UwU>(new Type[]{typeof(string)});

        Console.WriteLine(func(new object[]{"Karam"}).Name);

    }

    public static Func<object[], T> GetExpression<T>(Type[] constructorArgs)

    {

        Expression body = Expression.New(typeof(T).GetConstructor(constructorArgs), constructorArgs.Select(a => Expression.Variable(a)));

        return Expression.Lambda<Func<object[], T>>(body, Expression.Variable(typeof(object[]))).Compile();

    }

}

​

public class UwU

{

    public UwU(string name) => Name = name;

    public string Name {get; init;} = "Karam";

}