Major performance problem with std.array.front()

[Peter Alexander]

On Saturday, 8 March 2014 at 00:22:05 UTC, Walter Bright wrote:
> Andrei suggests that this change would destroy D by breaking 
> too much existing code. He might be right. Can we afford the 
> risk that he is right?
>
> We should think about a way to have our cake and eat it, too.
>
> Keep in mind that this issue is a Phobos one, not a core 
> language issue.

Before we discuss risk in the change, we need to agree that it is 
even a desirable change. I don't think we have reached that point.

It's worth pointing out that all the performance issues can be 
resolved in Phobos through specialisation with no disruption to 
the users.