improving the join function

[Norbert Nemec]

On 10/12/2010 03:09 AM, Daniel Gibson wrote:
> I don't like the name "join" - especially for general ranges.
> When I hear join I think of database like joins. These may not be
> horribly interesting for strings but certainly are for general ranges (*).
> union() or concat() would be better names for doing what std.string.join
> does.

I agree - what is currently offered by join() could simply be achieved 
by an optional argument to concat()