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Closure

Closure->instrs

Get the instrs field from a closure.

Signature
(closure->instrs x) → instrs
Arguments: x — Guard (closurep x).
Returns: instrs — Type (instruction-listp instrs).

This is an ordinary field accessor created by fty::defprod.

Definitions and Theorems

Function: closure->instrs$inline

(defun closure->instrs$inline (x)
  (declare (xargs :guard (closurep x)))
  (declare (xargs :guard t))
  (let ((__function__ 'closure->instrs))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and t x)))
           (instruction-list-fix (cdr (std::da-nth 2 (cdr x)))))
         :exec (cdr (std::da-nth 2 (cdr x))))))

Theorem: instruction-listp-of-closure->instrs

(defthm instruction-listp-of-closure->instrs
  (b* ((instrs (closure->instrs$inline x)))
    (instruction-listp instrs))
  :rule-classes :rewrite)

Theorem: closure->instrs$inline-of-closure-fix-x

(defthm closure->instrs$inline-of-closure-fix-x
  (equal (closure->instrs$inline (closure-fix x))
         (closure->instrs$inline x)))

Theorem: closure->instrs$inline-closure-equiv-congruence-on-x

(defthm closure->instrs$inline-closure-equiv-congruence-on-x
  (implies (closure-equiv x x-equiv)
           (equal (closure->instrs$inline x)
                  (closure->instrs$inline x-equiv)))
  :rule-classes :congruence)