NAME

special-operator-p – determine whether symbol is a special operator (function)    

SYNOPSIS

ARGUMENTS and VALUES

symbol — a symbol.   

generalized-boolean — a generalized boolean.       

VALID CONTEXT

n/a    

BINDING TYPES AFFECTED

n/a   

DESCRIPTION

Returns true if symbol is a special operator ; otherwise, returns false.    

AFFECTED BY

(none)    

EXCEPTIONAL SITUATIONS

Should signal type-error if its argument is not a symbol .   

NOTES

Historically, this function was called special-form-p. The name was finally declared a misnomer and changed, since it returned true for special operators, not special forms.   

EXAMPLES

 
(special-operator-p ’if) → true  
(special-operator-p ’car) → false  
(special-operator-p ’one) → false  

SEE ALSO

(none)   

AUTHOR and COPYRIGHT

Substantial portions of this page are taken from draft proposed American National Standard for Information Systems—Programming Language—Common Lisp, X3J13/94-101R, Version 15.17R, Fri 12-Aug-1994 6:35pm EDT; no copyright indicated.

Additional clarification and comments by Michael Marking <marking@tatanka.com>, http://www.tatanka.com/software/cl-manpages/; alternatively, https://github.com/wakinyantanka/cl-manpages/. Copyright 2017 Michael Marking as both an original and a derivative work.

Licensed under Creative Commons Attribution-NoDerivatives 4.0 International (CC BY-ND 4.0).

This page last revised Saturday 18 March 2017.