evaluate_condition: Evaluates a condition

In rstudio-education/grader: Automated Feedback for Student Exercises in 'learnr' Tutorials

Evaluates a condition

Description

Please use grade_this() mixed with pass(), pass_if_equal(), fail(), and/or fail_if_equal(). Can also use eval_gradethis().

Evaluates the condition() object to return a graded() value.

Usage

evaluate_condition(condition, ..., last_value, env)

Arguments

condition	a condition() object
...	ignored
last_value	The last value from evaluating the user's exercise submission.
env	environment to evaluate the condition

Value

a graded() value if condi$x is TRUE or NULL if condi$x is FALSE

Examples

condi_formula_t <- condition(
  ~ identical(.result, 5),
  message = "my correct message",
  correct = TRUE
)
evaluate_condition(
  condi_formula_t,
  last_value = 5,
  env = new.env()
)

rstudio-education/grader documentation built on July 6, 2023, 8:48 a.m.