anchor.diff:                      handlers
               | _ -> (evaled, env)
   
  +        and evalBreak expr env =
  +            // TODO: write all env bindings to console
  +            Debugger.Break ()
  +            eval expr env
  +
           and evalGet propertyName relationExprOpt originOpt env =
               let context = Env.getContext env
               let simulantAndEnvEir =
  
positive.code:             | If (condition, consequent, alternative, originOpt) -> evalIf condition consequent alternative originOpt env
              | Cond (exprPairs, originOpt) -> evalCond exprPairs originOpt env
              | Try (body, handlers, originOpt) -> evalTry body handlers originOpt env
              | Break (expr, _) -> (expr, env)
              | Get (name, originOpt) -> evalGet name None originOpt env
              | GetFrom (name, expr, originOpt) -> evalGet name (Some expr) originOpt env
              | Set (name, expr, originOpt) -> evalSet name expr None originOpt env
  
negative.code: namespace Nu
  open System
  open System.Collections.Generic
  open System.Diagnostics
  open OpenTK
  open Prime
  open Nu
  