USING: compiler.units continuations kernel namespaces threads.private words vocabs tools.deploy.shaker ; IN: debugger : error. ( error -- ) original-error get die-with2 ; : print-error ( error -- ) error. ; "threads" vocab [ [ "error-in-thread" "threads" lookup [ [ drop error. ] define ] [ f "combination" set-word-prop ] bi ] with-compilation-unit ] when