https://issues.dlang.org/show_bug.cgi?id=6895
--- Comment #3 from github-bugzi...@puremagic.com --- Commits pushed to stable at https://github.com/dlang/phobos https://github.com/dlang/phobos/commit/1d26b5fef7ff33b51f0d26898f555727278b351b Fix issue 6895 std.traits.isCovariantWith doesn't work for function, function pointer and delegate https://github.com/dlang/phobos/commit/3f34eefe9a15504598f91e690b0e722981c0a83f Merge pull request #5800 from Darredevil/issue-6895-covariance --