How to cast ASCII value to char?

[TheDGuy via Digitalmars-d-learn]

On Friday, 10 June 2016 at 14:27:41 UTC, Seb wrote:
> On Friday, 10 June 2016 at 14:20:16 UTC, TheDGuy wrote:
>> Is it possible to cast an ascii value to char?
>
> Sure!
>
> char A = cast(char) 65; // A
> char a = cast(char) 97; // a
>
> and back again:
>
> ubyte b = cast(ubyte) a; // 65
>
> In general there's also an entire module 
> (https://dlang.org/phobos/std_ascii.html) that might help you 
> for ASCII operations ;-)

Thanks a lot!