How decode encoded Base64 to string text?

[Aldo]

On Friday, 8 November 2019 at 11:46:44 UTC, Marcone wrote:
> I can encode "Helo World!" to Base64 and get "TWFyY29uZQ==", 
> but if I try to decode "TWFyY29uZQ==" I can not recovery "Helo 
> World!" but [77, 97, 114, 99, 111, 110, 101]. How can I recover 
> "Helo World!" when decode? Thank you.
>
> ...
> 	writeln(to!string(decoded));
> ...

Casting to string seems to work: writeln(cast(string) decoded);