Working with Lists
In the AutoLISP® programming language, an atom can be a function name, string, integer, real number, or another supported data type or symbol. A list is an expression that contains one or more atoms enclosed in parentheses. Each AutoLISP expression is a list, with the exception of those that start with an exclamation point. Lists often represent the following:
- 2D points or 3D points
- Entity data that defines an object and its properties, commonly referred to as an association list containing dotted pairs
- An object transformation matrix
- A grouping of related data, such as all the layers or layouts in a drawing
In this chapter, ...
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