txt: ## stubcode.md
  class X::StubCode
  
  Runtime error due to execution of stub code
  
  ```raku
  class X::StubCode is Exception { }
  ```
  
  Thrown when a piece of stub code (created via `!!!` or `...`) is executed.
  
  # [Methods](#class_X::StubCode "go to top of document")[§](#Methods "direct link")
  
  ## [method message](#class_X::StubCode "go to top of document")[§](#method_message "direct link")
  
  Returns the custom message provided to `!!!`, or a reasonable default if none was provided.
  