https://issues.dlang.org/show_bug.cgi?id=21801
--- Comment #3 from Dlang Bot <dlang-bot@dlang.rocks> --- dlang/phobos pull request #8012 "merge stable" was merged into master: - b8cdef5ffcc3e9c9c65df27387247d53629cf2df by Johan Engelen: fix Issue 21801 - std.typecons.ReplaceType does not work for `in` parameters See related: https://github.com/dlang/phobos/pull/7570 https://github.com/dlang/phobos/pull/8012 --