lispdoc - results for of-type

( type)
Function: Returns a function of one argument, which returns true when its argument is of TYPE.
(type-of object)
Function: Return the type of OBJECT.
(defun expr-type-only (expr)
  (cond ((self-evaluating? expr) (type-of expr))
        ((the-expression? expr) (second expr))
        (t nil)))
Mentioned in:
CLtL2 - 19.7.1. Unnamed Structures
CLtL2 - 19.7.2. Named Structures
CLtL2 - 2. Data Types
CLtL2 - 4.9. Determining the Type of an Object
HyperSpec - Function TYPE-OF
On Lisp - Classes and Instances
Successful Lisp - structures