https://issues.dlang.org/show_bug.cgi?id=15920
Simen Kjaeraas <simen.kja...@gmail.com> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |pull CC| |simen.kja...@gmail.com --- Comment #1 from Simen Kjaeraas <simen.kja...@gmail.com> --- MemberFunctionsTuple was unaware that isCovariant(a, b) does not preclude isCovariant(b, a). After a little update, it now knows. Pull: https://github.com/D-Programming-Language/phobos/pull/4195 --