Dec-expo-optionp
Recognizer for dec-expo-option structures.
- Signature
(dec-expo-optionp x) → *
Definitions and Theorems
Function: dec-expo-optionp
(defun dec-expo-optionp (x)
(declare (xargs :guard t))
(cond ((not x) (b* nil t))
(t (b* ((fty::val x))
(dec-expop fty::val)))))
