On Thursday, 2 December 2021 at 11:35:53 UTC, D Lark wrote:
I am a newcomer to D and I am looking for equivalent
functionality in phobos (so far I have not found).
The function you are looking for is [`std.range.tee`][1].
It was added to Phobos in 2014 by [pull request #1965][2],
approximately one year after the post you replied to.
This is why it's generally frowned upon to revive old threads:
the information they contain is often out of date, and
potentially misleading to anyone who reads them without looking
carefully at the timestamps.
[1]: https://phobos.dpldocs.info/std.range.tee.1.html
[2]: https://github.com/dlang/phobos/pull/1965
