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    • Event-macro-intro-macros

    Function-intro-macro

    Macro (name) for introducing a function with given enablement and non-executability.

    Signature
    (function-intro-macro enable non-executable) → macro
    Arguments
    enable — Enable function or not.
        Guard (booleanp enable).
    non-executable — Make function non-executable or not.
        Guard (booleanp non-executable).
    Returns
    macro — Type (member-eq macro '(defun defund defun-nx defund-nx)).

    Definitions and Theorems

    Function: function-intro-macro

    (defun function-intro-macro (enable non-executable)
      (declare (xargs :guard (and (booleanp enable)
                                  (booleanp non-executable))))
      (let ((__function__ 'function-intro-macro))
        (declare (ignorable __function__))
        (if enable (if non-executable 'defun-nx 'defun)
          (if non-executable 'defund-nx
            'defund))))

    Theorem: return-type-of-function-intro-macro

    (defthm return-type-of-function-intro-macro
      (b* ((macro (function-intro-macro enable non-executable)))
        (member-eq macro
                   '(defun defund defun-nx defund-nx)))
      :rule-classes :rewrite)