Fixing std.string

[Simen kjaeraas]

Norbert Nemec <Norbert at nemec-online.de> wrote:

> On 20/08/10 03:22, dsimcha wrote:
>> 3.  Is there any good reason to avoid just templating everything to  
>> work with
>> all 9 string types (mutable/const/immutable char/wchar/dchar[]) or  
>> whatever
>> subset is reasonable for the given function?
>
> Wouldn't it be sufficient to take const as input? IIRC, both mutable and  
> immutable can be implicitly converted to const and this exactly the  
> purpose that const is designed for: data that I can't change but that  
> other code may be able to change. Or am I mixing something up here?

What should the functions return, then? If the output is always
const(char)[], I need to cast it to make it immutable(char)[] or char[],
and casting is an unsafe operation.

-- 
Simen