More range woes: std.array.save is invalid

[monarch_dodra]

On Thursday, 20 December 2012 at 07:05:08 UTC, H. S. Teoh wrote:
> What is wrong here is that many algorithms in std.range and
> std.algorithm wrongly assume that just because the outer range 
> (that is,
> T[]) is a forward range, *and* the inner ranges (that is, T) 
> are also
> forward ranges, that therefore T[].save will save the current 
> position
> of the *range of ranges*.

Most probably, algorithm is still not quite great about using 
save. This is especially true in regards to RoR, but that's a 
special case, and we are fixing those one by one.