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