https://issues.dlang.org/show_bug.cgi?id=17878
Issue ID: 17878 Summary: Add __traits(isFuture, ...) Product: D Version: D2 Hardware: All OS: All Status: NEW Severity: enhancement Priority: P1 Component: dmd Assignee: nob...@puremagic.com Reporter: greensunn...@gmail.com There is currently no way to test whether a particular symbol is going to be introduced. It might be worthwhile to investigate whether this could be part of getFunctionAttributes (https://dlang.org/spec/traits.html#getFunctionAttributes). See also: https://issues.dlang.org/show_bug.cgi?id=17791 --