Re: Preferred syntax for warning about ignored Status returns

[Jim Apple]

> todd@todd-ThinkPad-T540p:/tmp$ g++ --version ; g++ -o test test.cc
> g++ (Ubuntu 5.4.0-6ubuntu1~16.04.4) 5.4.0 20160609
>
> test.cc:2:1: warning: ‘warn_unused_result’ attribute only applies to
> function types [-Wattributes]
>  Foo {
>  ^

This seems like a warning stating that it doesn't work.