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Expr-value-option

Expr-value-optionp

Recognizer for expr-value-option structures.

Signature
(expr-value-optionp x) → *

Definitions and Theorems

Function: expr-value-optionp

(defun expr-value-optionp (x)
  (declare (xargs :guard t))
  (cond ((not x) (b* nil t))
        (t (b* ((fty::val x))
             (expr-valuep fty::val)))))