debug_exercise_checker: An Exercise Checker for Debugging

In learnr: Interactive Tutorials for R

An Exercise Checker for Debugging

Description

An exercise checker for debugging that renders all of the expected arguments of the exercise.checker option into HTML. Additionally, this function is used in testing of evaluate_exercise().

Usage

debug_exercise_checker(
  label,
  user_code,
  solution_code,
  check_code,
  envir_result,
  evaluate_result,
  envir_prep,
  last_value,
  engine,
  ...
)

Arguments

label	Exercise label
user_code	Submitted user code
solution_code	The code in the ⁠*-solution⁠ chunk
check_code	The checking code that originates from the ⁠*-check⁠ chunk, the ⁠*-code-check⁠ chunk, or the ⁠*-error-check⁠ chunk.
evaluate_result	The return value from evaluate::evaluate(), called on user_code
envir_prep, envir_result	The environment before running user code (envir_prep) and the environment just after running the user's code (envir_result).
last_value	The last value after evaluating user_code
engine	The engine of the exercise chunk
...	Not used (future compatibility)

Value

Feedback for use in exercise debugging.

learnr documentation built on Sept. 28, 2023, 9:06 a.m.