https://issues.dlang.org/show_bug.cgi?id=23626
--- Comment #4 from Iain Buclaw <ibuc...@gdcproject.org> --- (In reply to johanengelen from comment #0) > void func_2(Dlg)(Dlg dlg) { > __trace_maybeDumpTupleToFile(dlg); > } Just a suggestion, should this be `const Dlg` instead? --