e.g. [ "/run/user/1001/doc" file-system-info ] must-not-fail
:: (must-fail) ( quot -- error/f failed? tested? )
[ { } quot with-datastack drop did-not-fail t ] [ drop f f ] recover t ;
+:: (must-not-fail) ( quot -- error/f failed? tested? )
+ [ { } quot with-datastack drop f f ] [ t ] recover t ;
+
: experiment-title ( word -- string )
"(" ?head drop ")" ?tail drop
H{ { CHAR: - CHAR: \s } } substitute >title ;
TEST: must-infer
TEST: must-fail-with
TEST: must-fail
+TEST: must-not-fail
M: test-failure error. ( error -- )
{