https://issues.dlang.org/show_bug.cgi?id=17360
--- Comment #1 from John Colvin <[email protected]> --- Adding `auto ref` to `front`, `back` and `opIndex` is an obvious fix but falls foul of https://issues.dlang.org/show_bug.cgi?id=17512 --
[Issue 17360] std.range.only doesn't allow ref access
d-bugmail--- via Digitalmars-d-bugs Thu, 22 Mar 2018 14:08:17 -0700
