Good name for f.byLine.map!(x => x.idup)?

[Ary Borenszweig]

On 3/16/14, 2:50 PM, Andrei Alexandrescu wrote:
> On 3/16/14, 10:49 AM, bearophile wrote:
>> So I think byLine should dup on default, and it should not dup on
>> request.
>
> That will not happen.
>
> Andrei
>

Why not?

Don't optimize upfront. If later you find out that was the bottleneck 
then you change byLine to something more efficient and that's it. And 
new users don't get unexpected results.

I'm with bearophile here.