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

[Jakob Ovrum]

On Sunday, 16 March 2014 at 18:06:00 UTC, Vladimir Panteleev 
wrote:
> On Sunday, 16 March 2014 at 16:58:36 UTC, Andrei Alexandrescu 
> wrote:
>> A classic idiom for reading lines and keeping them is 
>> f.byLine.map!(x => x.idup) to get strings instead of the 
>> buffer etc.
>>
>> The current behavior trips new users on occasion, and the 
>> idiom solving it is very frequent. So what the heck - let's 
>> put that in a function, expose and document it nicely, and 
>> call it a day.
>>
>> A good name would help a lot. Let's paint that bikeshed!
>
> For the record, if you want to keep all lines in memory anyway, 
> it's more efficient to just read the whole file at once then 
> split it with splitLines(), because you avoid doing one memory 
> allocation per line. The downside is if you want to keep only 
> some of the lines on the heap in a long-running program - with 
> this approach, the slices pin the entire file content.

Reading all at once is also a problem for really big files.