3 Built-In Datatypes
The previous chapter introduced some of Racket’s built-in datatypes: numbers, booleans, strings, lists, and procedures. This section provides a more complete coverage of the built-in datatypes for simple forms of data.
| ▼ | 3 | Built- | 
| 3.1 | Booleans | 
| 3.2 | Numbers | 
| 3.3 | Characters | 
| 3.4 | Strings (Unicode) | 
| 3.5 | Bytes and Byte Strings | 
| 3.6 | Symbols | 
| 3.7 | Keywords | 
| 3.8 | Pairs and Lists | 
| 3.9 | Vectors | 
| 3.10 | Hash Tables | 
| 3.11 | Boxes | 
| 3.12 | Void and Undefined | 
The previous chapter introduced some of Racket’s built-in datatypes: numbers, booleans, strings, lists, and procedures. This section provides a more complete coverage of the built-in datatypes for simple forms of data.