Functional Developer allows you to interact with your applications. Interaction consists of executing Dylan expressions and definitions in the context of a paused application thread. Functional Developer also offers the Dylan playground, a facility for interactive Dylan programming experiments outside the context of application development.
To explain the things you can do interactively, this section includes two examples. One uses the Dylan playground and the other uses the Reversi application. First, however, we discuss the interaction pane, a debugger pane that hosts interactive sessions.