4 Debugging Tools

4.3 The Stepper

The Stepper interactively steps through the evaluation of an expression. The Stepper allows you to closely examine an individual procedure to discover why it is behaving unexpectedly.

The Stepper can be called on any compiled or interpreted function. It displays only the evaluation steps that are performed interpretively, so it is most useful When called on interpreted functions.

The Stepper consists of the following constructs:

*max-step-indentation* step *step-columns-per-level* *step-level*

4.3.1 - Using the Stepper
4.3.2 - Stepper commands
4.3.3 - Reading Stepper output

The User's Guide - 9 SEP 1996

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