https://issues.dlang.org/show_bug.cgi?id=14478
Martin Nowak <c...@dawg.eu> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |c...@dawg.eu --- Comment #11 from Martin Nowak <c...@dawg.eu> --- > I've seen plenty of cases in code where something like > > auto value = range.front; Algorithms shouldn't needlessly copy values because it might be expensive, e.g. with big values. We should probably add an isCopyable!(ElementType!R) to the algorithms that do require this. --