evalable6

query

say <Hello, World>.contains(/Hello/, 0);

result

(exit code 1) 
Cannot resolve caller contains(List:D: Regex:D, Int:D); none of these signatures match:
    (List:D: Cool:D \needle, *%_)
    (Cool:D: Cool:D $needle, :i(:$ignorecase)!, :m(:$ignoremark), *%_ --> Bool)
    (Cool:D: Cool:D $needle, :m(:$ignoremark)!, *%_ --> Bool)
    (Cool:D: Cool:D $needle, *%_ --> Bool)
    (Cool:D: Cool:D $needle, Cool:D $pos, :i(:$ignorecase)!, :m(:$ignoremark), *%_ --> Bool)
    (Cool:D: Cool:D $needle, Cool:D $pos, :m(:$ignoremark)!, *%_ --> Bool)
    (Cool:D: Cool:D $needle, Cool:D $pos, *%_ --> Bool)
  in block <unit> at /tmp/WQfL5Z3Icm line 1