cons
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)
Expanded Reference: cons
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(cons )