3.8.29 special-operator-p [Function]

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.