evalable6

query

multi trait_mod:<is>(Any:D $s,:$thing){say "\"$s\" has $thing."};my $a is thing<foo>;

result

(exit code 1) 
===SORRY!=== Error while compiling /tmp/3pRvfDT05d
Can't use unknown trait 'is thing' in a variable declaration.
at /tmp/3pRvfDT05d:1
------> \"$s\" has $thing."};my $a is thing<foo>⏏;
    expecting any of:
        TypeObject
        default
        dynamic