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• Char-literal-char

Char-literal-char->get

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

Signature

(char-literal-char->get x) → get

Arguments

x — Guard (char-literalp x).

Returns

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

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

Definitions and Theorems

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

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

Theorem: unicode-charlit-char-p-of-char-literal-char->get

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

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

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

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

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

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

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