https://issues.dlang.org/show_bug.cgi?id=19842
--- Comment #6 from Dlang Bot <[email protected]> --- @MartinNowak created dlang/phobos pull request #8172 "merge stable" mentioning this issue: - Issue 19842 - only class member functions must be used be used as slots https://github.com/dlang/phobos/pull/8172 --
