Question

I have a Func<T, string> that I want converted to Func<dynamic, string>. Is it possible?

Answer 1

Here you go. Just need to decide what you want to do when your dynamic value isn’t of type T:

public Func<dynamic, string> ConvertToDynamicFunc<T>(Func<T, string> typedFunc)
{
    Func<dynamic, string> dynamicFunc = (input) =>
    {
        if (input is T)
            return typedFunc((T)input);

        return null; //or throw?
    };

    return dynamicFunc;
}

Func<int, string> typedFunc = (input) => input.ToString();
Func<dynamic, string> dynamicFunc = ConvertToDynamicFunc(typedFunc);
System.Console.WriteLine(dynamicFunc(10));//outputs "10";
System.Console.WriteLine(dynamicFunc(10.5));//outputs null since a double isn't an int (type T) or throw if you prefer;