# That was the missing piece of the puzzle to get it to resolv:
import module1

var x = CodeBlock().Token


method `$`(x: Token): string =
  "Bare token"

method `$`(x: CodeBlock): string =
  let cbDollar: proc(x: CodeBlock): string = module1.`$`
  result = cbDollar(x)
  result &= "My code block"

echo x