		Search-engine friendly clone of the ACL2 documentation.

Const-option

Const-optionp

Recognizer for const-option structures.

Signature
(const-optionp x) → *

Definitions and Theorems

Function: const-optionp

(defun const-optionp (x)
  (declare (xargs :guard t))
  (let ((__function__ 'const-optionp))
    (declare (ignorable __function__))
    (cond ((not x) (b* nil t))
          (t (b* ((fty::val x))
               (constp fty::val))))))