convert string to ubyte[]

[user1234]

On Saturday, 11 November 2017 at 15:48:59 UTC, Mike Parker wrote:
> On Saturday, 11 November 2017 at 15:38:18 UTC, aki wrote:
> auto bytes = cast(immutable(ubyte)[])s;
>
> Of course, if you need a mutable array you should dup:
>
> auto bytes = cast(ubyte[])s.dup;

Not only "should" but he "must" otherwise with string literals 
he'll get a violation access error.