https://issues.dlang.org/show_bug.cgi?id=13502
--- Comment #4 from Vladimir Panteleev <[email protected]> --- (In reply to Kenji Hara from comment #2) > The issue occurs only when the optional template parameters exist. No, that was another, earlier change. Pull 2467 allowed writing: enum bool isSomeString(T) = true; but this is not what the problem is with. The line: enum isSomeString(T) = true; worked both before and after that change, however the warning was only emitted before that change. So I think this was a regression after all. --
