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G-ite

Make-g-ite

Basic constructor macro for g-ite structures.

Syntax

(make-g-ite [:test <test>] 
            [:then <then>] 
            [:else <else>])

This is the usual way to construct g-ite structures. It simply conses together a structure with the specified fields.

This macro generates a new g-ite structure from scratch. See also change-g-ite, which can "change" an existing structure, instead.

Definition

This is an ordinary make- macro introduced by defprod.

Macro: make-g-ite

(defmacro make-g-ite (&rest args)
  (std::make-aggregate 'g-ite
                       args '((:test) (:then) (:else))
                       'make-g-ite
                       nil))

Function: g-ite

(defun g-ite (test then else)
  (declare (xargs :guard (and (fgl-object-p test)
                              (fgl-object-p then)
                              (fgl-object-p else))))
  (declare (xargs :guard t))
  (let ((__function__ 'g-ite))
    (declare (ignorable __function__))
    (b* ((test (mbe :logic (fgl-object-fix test)
                    :exec test))
         (then (mbe :logic (fgl-object-fix then)
                    :exec then))
         (else (mbe :logic (fgl-object-fix else)
                    :exec else)))
      (cons :g-ite (cons test (cons then else))))))