# New Ticket Created by hanenkamp
# Please include the string: [perl #129906]
# in the subject line of all future correspondence about this issue.
# <URL: https://rt.perl.org/Ticket/Display.html?id=129906 >
One line example of the problem:
% perl6 -e 'class A { ... }; class B does A { }; role A { }'
Unhandled exception: No such method 'item' for invocant of type 'A'
at <unknown>:1
(/Users/sterling/.rakudobrew/moar-nom/install/share/perl6/runtime/CORE.setting.moarvm:print_exception)
from gen/moar/m-CORE.setting:24949
(/Users/sterling/.rakudobrew/moar-nom/install/share/perl6/runtime/CORE.setting.moarvm:<anon>)
from gen/moar/stage2/NQPHLL.nqp:1559
(/Users/sterling/.rakudobrew/moar-nom/install/share/nqp/lib/NQPHLL.moarvm:command_eval)
from src/Perl6/Compiler.nqp:27
(/Users/sterling/.rakudobrew/moar-nom/install/share/nqp/lib/Perl6/Compiler.moarvm:command_eval)
from gen/moar/stage2/NQPHLL.nqp:1499
(/Users/sterling/.rakudobrew/moar-nom/install/share/nqp/lib/NQPHLL.moarvm:command_line)
from gen/moar/m-main.nqp:47
(/Users/sterling/.rakudobrew/moar-nom/install/share/perl6/runtime/perl6.moarvm:MAIN)
from gen/moar/m-main.nqp:38
(/Users/sterling/.rakudobrew/moar-nom/install/share/perl6/runtime/perl6.moarvm:<mainline>)
from <unknown>:1
(/Users/sterling/.rakudobrew/moar-nom/install/share/perl6/runtime/perl6.moarvm:<main>)
from <unknown>:1
(/Users/sterling/.rakudobrew/moar-nom/install/share/perl6/runtime/perl6.moarvm:<entry>)
Clearly, it would be better for there to be a nice error like "type A
stubbed as class on line X but implemented as role on line Y".
--
Sterling Hanenkamp
http://sterling.hanenkamp.com/stfl/
785-370-4454
