message: Make breakpoint() available as standard
  Summary: It's weird to have a set of functions, but not make them all available as standard.
diff: @@ -47,6 +47,7 @@ pub(crate) fn extended_environment() -> GlobalsBuilder {
  .with(add_record)
  .with(add_enum)
  .with(add_extra_functions)
  + .with(add_breakpoint)
  }
  /// Add the `struct` function and type to the global environment.
  