Re: Restrict type of function parameter to a defined list of types?

[Martin B via Digitalmars-d-learn]

On Sunday, 12 December 2021 at 13:21:06 UTC, Adam D Ruppe wrote:
On Sunday, 12 December 2021 at 13:11:58 UTC, Martin B wrote:
Just add a forwarding overload:
Hi Adam,
i am wondering if there is another possibility without having to 
create overloads for each parameter type - something like this 
pseudocode:
```
Nullable!string str(T : {string, Nullable!string}) (T setter) {
    return this._str = setter;
}
```