https://issues.dlang.org/show_bug.cgi?id=17661
--- Comment #9 from [email protected] --- Commits pushed to stable at https://github.com/dlang/phobos https://github.com/dlang/phobos/commit/be9ad6a311a53e9ab8d2a8b69777b73d33b279c3 Fix issue 17661: isInputRange should work with .front that returns reference to parameter. https://github.com/dlang/phobos/commit/6b460ab71750ae4d405ec392581d781a7d4f4e2a Merge pull request #5688 from quickfur/issue17661 --
