How to create dynamic type variable which will accept only number and bool?

Question

How can I create the dynamic type which will only accept bool and int?

I know this can be done manually by :

if ( smth is bool || smth is int){
    dynamic myValue = smth;
}

however, can I create a type which will avoid me the manually checking, so i could directly:

dynamic myValue = smth ;   //if it is not either `int` nor `bool` then throw error. otherwise, continue script.

Answer 1

You could define a custom type that accepts only a bool or an int:

public readonly struct Custom
{
    public readonly bool _bool;
    public readonly int _int;

    public Custom(bool @bool)
    {
        _bool = @bool;
        _int = default;
    }

    public Custom(int @int)
    {
        _bool = default;
        _int = @int;
    }
}

Then this would work:

dynamic b = true;
Custom custom = new Custom(b);

...but this would throw an exception at runtime:

dynamic s = "abc";
Custom custom = new Custom(s);