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• String-literal-char-char

String-literal-char-char->get

Get the get field from a string-literal-char-char.

Signature

(string-literal-char-char->get x) → get

Arguments

x — Guard (string-literal-char-p x).

Returns

get — Type (unicode-stringlit-char-p get).

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

Definitions and Theorems

Function: string-literal-char-char->get$inline

(defun string-literal-char-char->get$inline (x)
  (declare (xargs :guard (string-literal-char-p x)))
  (declare (xargs :guard (equal (string-literal-char-kind x)
                                :char)))
  (let ((__function__ 'string-literal-char-char->get))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and (equal (string-literal-char-kind x)
                             :char)
                      x)))
           (unicode-stringlit-char-fix (std::da-nth 0 (cdr x))))
         :exec (std::da-nth 0 (cdr x)))))

Theorem: unicode-stringlit-char-p-of-string-literal-char-char->get

(defthm unicode-stringlit-char-p-of-string-literal-char-char->get
  (b* ((get (string-literal-char-char->get$inline x)))
    (unicode-stringlit-char-p get))
  :rule-classes :rewrite)

Theorem: string-literal-char-char->get$inline-of-string-literal-char-fix-x

(defthm
  string-literal-char-char->get$inline-of-string-literal-char-fix-x
 (equal
  (string-literal-char-char->get$inline (string-literal-char-fix x))
  (string-literal-char-char->get$inline x)))

Theorem: string-literal-char-char->get$inline-string-literal-char-equiv-congruence-on-x

(defthm
 string-literal-char-char->get$inline-string-literal-char-equiv-congruence-on-x
 (implies (string-literal-char-equiv x x-equiv)
          (equal (string-literal-char-char->get$inline x)
                 (string-literal-char-char->get$inline x-equiv)))
 :rule-classes :congruence)

Theorem: string-literal-char-char->get-when-wrong-kind

(defthm string-literal-char-char->get-when-wrong-kind
  (implies (not (equal (string-literal-char-kind x)
                       :char))
           (equal (string-literal-char-char->get x)
                  (unicode-stringlit-char-fix nil))))