finish function for output ranges

[Jonathan M Davis]

On Sunday, August 12, 2012 14:57:00 Dmitry Olshansky wrote:
> Agreed. Current appender has .data (a-la peek) just because of
> implementation details that allow it. In fact there was a pull for
> Phobos including s better Appender (that would end up being a Builder I
> guess) that doesn't allow to peek at array in creation until the very
> end but provides much better performance profile.
> 
> BTW what's happened with that pull? I recall github nickname sandford,
> but can't recall whose awesome work that was. I'd love to see it make
> its way into Phobos.

I'm not sure. He was basically told to redo it as ArrayBuilder rather than 
changing Appender, since changing Appender would break a lot of code, and his 
changes arguably made it so that it wasn't an appender anymore anyway. But he 
has yet to post a new pull request with those changes.

- Jonathan M Davis