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| ANSI Common Lisp 14 Conses 14.2 Dictionary of Conses
14.2.3 cons | System Class
Class Precedence List: cons, list, sequence, t Description: A cons is a compound object having two components, called the car and cdr. These form a dotted pair. Each component can be any object. Compound Type Specifier Kind: Specializing. Compound Type Specifier Syntax: `(cons `[`car-typespec [cdr-typespec]`]`)` Compound Type Specifier Arguments: car-typespec - a type specifier, or the symbol *. The default is the symbol *. cdr-typespec - a type specifier, or the symbol *. The default is the symbol *. Compound Type Specifier Description: This denotes the set of conses whose car is constrained to be of type car-typespec and whose cdr is constrained to be of type cdr-typespec. (If either car-typespec or cdr-typespec is *, it is as if the type t had been denoted.) See Also: Section 2.4.1 Left-Parenthesis, Section 22.1.3.5 Printing Lists and Conses Allegro CL Implementation Details: None.

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