Lisp has a rich set of mechanisms for handling program control, very few of which we have met so far. We’ll remedy this oversight now, looking first at some more conditional functions. To date we’ve only seen one, cond. There is no absolute need for any others, but there are times when code can be made clearer using other, less general, functions. Common Lisp provides the following.
KeywordsFunction Definition Conditional Function Common Lisp Piteous Tone Syntactic Sugar
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