sorting a string

[Namal via Digitalmars-d-learn]

On Friday, 14 July 2017 at 16:43:42 UTC, Anton Fediushin wrote:
> On Friday, 14 July 2017 at 15:56:49 UTC, Namal wrote:
>> Thx Steve! By sorting string I mean a function or series of 
>> functions that sorts a string by ASCII code, "cabA" to "Aabc" 
>> for instance.
>
> import std.algorithm : sort;
> import std.stdio : writeln;
>
> "cabA".dup.sort.writeln;
>
> `dup` is used, because string cannot be modified, so a copy of 
> string used instead.

Thx alot. One final question. If I do it like that. I get a 
deprrecation warning:

use std.algorithm.sort instead of .sort property

Wasn't .sort() the proper way to use it, no? Because that won't 
compile.