https://issues.dlang.org/show_bug.cgi?id=17186
--- Comment #2 from Jacob Carlborg <d...@me.com> --- It's already allowed for the return type. --
https://issues.dlang.org/show_bug.cgi?id=17186
--- Comment #2 from Jacob Carlborg <d...@me.com> --- It's already allowed for the return type. --