On Sat, Jan 24, 2015 at 10:35:13AM -0800, Andrei Alexandrescu via Digitalmars-d wrote: > On 1/24/15 9:34 AM, zeljkog wrote: > >On 24.01.15 18:26, zeljkog wrote: > >> > >>Until now I concluded: > >>1. Resulting range must be output range. Right? > >Should be input range. > > For filter it's a forward range if input is forward or better. -- > Andrei
Hmm. Couldn't filter be made bidirectional too, if the underlying range is also bidirectional? After all, filtering doesn't depend on the surrounding elements, so in theory you should be able to popBack as well. T -- "How are you doing?" "Doing what?"
