Mutation testing modes (strategy) | Timeouts and contention in parallel mode | CRAN mode (test selection) | Fail-fast (stop at the first failing test) | Parallel execution and isolation (isolate) | Progress bar | Excluding code from mutation | Coverage-guided test selection (coverage_guided) | Precise mutant locations (optional imputesrcref) | Equivalent Mutant Detection

The reusable workflow | Inputs | Where mutator is installed from | Enforcing a minimum mutation score | Badge | Permissions and private dependencies | Tuning the run

The example package | Run the package tests | Run mutator | Interpret the results | Improve the tests | Where to go next

Overview | Creating tests for the first time | Adding regressions

Capturing arbitrary code | Capturing Functions | Generating tests | Shorthands | Pruning the tests