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Snippet-info

Snippet-info->output-size

Get the output-size field from a snippet-info.

Signature
(snippet-info->output-size x) → output-size
Arguments: x — Guard (snippet-info-p x).
Returns: output-size — Type (posp output-size).

This is an ordinary field accessor created by defprod.

Definitions and Theorems

Function: snippet-info->output-size$inline

(defun snippet-info->output-size$inline (x)
  (declare (xargs :guard (snippet-info-p x)))
  (declare (xargs :guard t))
  (let ((__function__ 'snippet-info->output-size))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and t x)))
           (pos-fix (std::da-nth 2 x)))
         :exec (std::da-nth 2 x))))

Theorem: posp-of-snippet-info->output-size

(defthm posp-of-snippet-info->output-size
  (b* ((output-size (snippet-info->output-size$inline x)))
    (posp output-size))
  :rule-classes :type-prescription)

Theorem: snippet-info->output-size$inline-of-snippet-info-fix-x

(defthm snippet-info->output-size$inline-of-snippet-info-fix-x
  (equal (snippet-info->output-size$inline (snippet-info-fix x))
         (snippet-info->output-size$inline x)))

Theorem: snippet-info->output-size$inline-snippet-info-equiv-congruence-on-x

(defthm
 snippet-info->output-size$inline-snippet-info-equiv-congruence-on-x
 (implies (snippet-info-equiv x x-equiv)
          (equal (snippet-info->output-size$inline x)
                 (snippet-info->output-size$inline x-equiv)))
 :rule-classes :congruence)