COW vs. in-place.

[Dawid Ciężarkiewicz]

Dave wrote:
>> Maybe just writting new module (std.strinplace) that do what you want and
>> then sending it to Walter/D discussion group is good . I guess with
>> newday import improvements names could stay like they were and people
>> interested in this speedup would statically import this module and use
>> FQN where they want such behavior.
> 
> Not a bad idea... The main prob. would be that there would be a lot of
> duplication of code.

Well. IMO not so much. There are not so many essential functions operating
on strings and they don't change too often.