https://issues.dlang.org/show_bug.cgi?id=19727
--- Comment #3 from Seb <[email protected]> --- (In reply to Simen Kjaeraas from comment #2) > This boils down to [""].joiner("") not returning a bidirectional range. For reference, here's the previous PR which added bidirectional range support for joiner (without args) https://github.com/dlang/phobos/pull/6115 Might be a good starting point for future work. --
