Why splitter() doesn't work?
wfunction at hotmail.com
Sun Oct 14 16:10:10 PDT 2012
On Sunday, 14 October 2012 at 23:01:02 UTC, Jonathan M Davis
> On Sunday, October 14, 2012 22:09:43 Peter Alexander wrote:
>> I wonder if a better design for splitter would automatically
>> allocate an array when the input range doesn't support slicing?
> We generally try and avoid any kind of allocation like that in
> std.algorithm. We leave it up to the programmer to do that.
> Otherwise, you'd end up with all kinds of invisible performance
> hits. And it's doubly bad for anyone trying to avoid using the
> - Jonathan M Davis
Well, you don't need to automatically allocate anything.
As long as you require the input to be a forward range, you can
simply iterate over it over and over again every time you want to
return front(). AFAICT no need to store anything anywhere.
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