https://issues.dlang.org/show_bug.cgi?id=14868
--- Comment #8 from Dmitry Olshansky <dmitry.o...@gmail.com> --- > That's why I suggest to exclude the check. Can somebody fix it? Pull requests are welcome from anybody. >The class is currently unusable. I'm surprised it even works. std.mmfile is a port of some C++ library to D1 done ages ago. It was gradually updated to compile with the latest compiler but that's pretty much it. --