This example presents primitive introspection and code browsing functions. To try the demo, set the cursor to a line of the workspace and press command + d. You can execute any jolt2 expression including send syntax [receiver message: argument] in the workspace.

(printf "%d\n" (+ 3 4))
[['3 + '4] println]
[TextBuffer browse]
[[Window default] inspect]
[[Window default] openBrowser]