Once you have done that, run `debugonce(example_function)`, then run `example_function(example_vector)` again. You will be dropped into the browser, looking around inside `example_function()`. Step through the code execution one line at a time by pressing the Enter key. Watch the environment pane each step of the way and see if you can catch where the error will happen. Once you get in the spot in the function the error occurs, it will boot you out of the browser back to the global environment.

We could use `browser()` to check that section more quickly using the following: