gistfile1.txt

zoffix@zoffix-VirtualBox:/tmp/tmp.N8R7kzFURS$ cat foo.p6 
    use NativeCall;
    sub open-tray(Str $x?) is native('cdio', v13)
        is symbol('cdio_eject_media_drive') {};
    sub close-tray(Str $x?, int32 $y = 0) is native('cdio', v13)
        is symbol('cdio_close_tray') {};
    say "Gimme a CD!";
    open-tray;

    sleep .5;
    say "Ha! Too slow!";
    close-tray;

zoffix@zoffix-VirtualBox:/tmp/tmp.N8R7kzFURS$ perl6 --ll-exception foo.p6 
Gimme a CD!
++ WARN: Problems resolving device rootfs: No such file or directory

++ WARN: Problems resolving device sysfs: No such file or directory

++ WARN: Problems resolving device proc: No such file or directory

++ WARN: Problems resolving device udev: No such file or directory

++ WARN: Problems resolving device devpts: No such file or directory

++ WARN: Problems resolving device tmpfs: No such file or directory

++ WARN: Problems resolving device none: No such file or directory

++ WARN: Problems resolving device none: No such file or directory

++ WARN: Problems resolving device none: No such file or directory

++ WARN: Problems resolving device none: No such file or directory

++ WARN: Problems resolving device none: No such file or directory

++ WARN: Problems resolving device none: No such file or directory

++ WARN: Problems resolving device none: No such file or directory

++ WARN: Problems resolving device none: No such file or directory

++ WARN: Problems resolving device binfmt_misc: No such file or directory

++ WARN: Problems resolving device systemd: No such file or directory

++ WARN: Problems resolving device none: No such file or directory

++ WARN: Problems resolving device gvfsd-fuse: No such file or directory

Ha! Too slow!
Cannot unbox a type object
   at perl#sources/24DD121B5B4774C04A7084827BFAD92199756E03 (NativeCall):302  (/home/zoffix/.rakudobrew/moar-nom/install/share/perl6/site/precomp/6A46499AEDB0E25FA1CD3F2CFF6522453F820D37.1462721089.43735/24/24DD121B5B4774C04A7084827BFAD92199756E03:CALL-ME)
 from gen/moar/m-BOOTSTRAP.nqp:2841  (/home/zoffix/.rakudobrew/moar-nom/install/share/nqp/lib/Perl6/BOOTSTRAP.moarvm:)
 from foo.p6:14  (<ephemeral file>:<unit>)
 from foo.p6:1  (<ephemeral file>:<unit-outer>)
 from gen/moar/stage2/NQPHLL.nqp:1505  (/home/zoffix/.rakudobrew/moar-nom/install/share/nqp/lib/NQPHLL.moarvm:eval)
 from src/Perl6/Compiler.nqp:161  (/home/zoffix/.rakudobrew/moar-nom/install/share/nqp/lib/Perl6/Compiler.moarvm:eval)
 from gen/moar/stage2/NQPHLL.nqp:1708  (/home/zoffix/.rakudobrew/moar-nom/install/share/nqp/lib/NQPHLL.moarvm:evalfiles)
 from gen/moar/stage2/NQPHLL.nqp:1602  (/home/zoffix/.rakudobrew/moar-nom/install/share/nqp/lib/NQPHLL.moarvm:command_eval)
 from src/Perl6/Compiler.nqp:29  (/home/zoffix/.rakudobrew/moar-nom/install/share/nqp/lib/Perl6/Compiler.moarvm:command_eval)
 from gen/moar/stage2/NQPHLL.nqp:1576  (/home/zoffix/.rakudobrew/moar-nom/install/share/nqp/lib/NQPHLL.moarvm:command_line)
 from gen/moar/m-main.nqp:37  (/home/zoffix/.rakudobrew/moar-nom/install/share/perl6/runtime/perl6.moarvm:MAIN)
 from gen/moar/m-main.nqp:33  (/home/zoffix/.rakudobrew/moar-nom/install/share/perl6/runtime/perl6.moarvm:<mainline>)
 from <unknown>:1  (/home/zoffix/.rakudobrew/moar-nom/install/share/perl6/runtime/perl6.moarvm:<main>)
 from <unknown>:1  (/home/zoffix/.rakudobrew/moar-nom/install/share/perl6/runtime/perl6.moarvm:<entry>)
zoffix@zoffix-VirtualBox:/tmp/tmp.N8R7kzFURS$