# Pastebin xJyqQ0Wb
module Librerify { 
   use Zef::CLI;

   for &MAIN.candidates>>.signature>>.params { my @params = .self;
      my $cmd = @params.shift.constraint_list().head() if @params.head.constraint_list ~~ { .elems == 1 && .head ~~ Str };

      say "sub $cmd\(|c ({@params>>.gist.join: ", "})) \{ MAIN |c \}"
   }
}