special-operator-p

special-operator-p Function

Syntax:

special-operator-p symbol ! generalized-boolean

Arguments and Values:

symbol—a symbol.

generalized-boolean—a generalized boolean.

Description:

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

Examples:

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

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.

constantp

Expanded Reference: special-operator-p

tip

TODO: Please contribute to this page by adding explanations and examples

(special-operator-p )