[Issue 17835] std.algorithm.findSplit: Documentation example does not compile

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=17835

--- Comment #3 from Duncan Paterson <dunkyp at gmail.com> ---
Played with this for a while tonight. It seems like the problem is the empty
function on a lot of ranges not being defined const. I've written a patch but I
think the knock on of this is quite severe so it's probably not worth pushing.

--