# Pastebin pY4iICDj
: argument not a subtype of parameter
            ch.handle_verb(verb, remainder) 
                               ^
    Info:
    /usr/local/Cellar/ponyc/0.16.0/packages/builtin/array.pony:461:5: Array[String val] ref is not a subtype of Array[String val] val: ref is not a subcap of val
        : Array[this->A!]^
        ^