Symbols are objects with a name (almost always a unique name). They are one of the most important data types in Lisp since they are used to provided named variables (see Variables) and functions (see Functions).
This function returns true when its argument is a symbol.
|• Symbol Syntax:||The read syntax of symbols|
|• Symbol Attributes:||The objects stored in a symbol|
|• Obarrays:||Vectors used to store symbols|
|• Creating Symbols:||Allocating new symbols|
|• Interning:||Putting a symbol into an obarray|
|• Property Lists:||Each symbol has a set of properties|
|• Keyword Symbols:||Self-evaluating keywords|