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Enumer

Make-enumer

Basic constructor macro for enumer structures.

Syntax

(make-enumer [:name <name>] 
             [:value? <value?>])

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

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

Definition

This is an ordinary make- macro introduced by fty::defprod.

Macro: make-enumer

(defmacro make-enumer (&rest args)
  (std::make-aggregate 'enumer
                       args '((:name) (:value?))
                       'make-enumer
                       nil))

Function: enumer

(defun enumer (name value?)
  (declare (xargs :guard (and (identp name)
                              (const-expr-optionp value?))))
  (declare (xargs :guard t))
  (b* ((name (mbe :logic (ident-fix name)
                  :exec name))
       (value? (mbe :logic (const-expr-option-fix value?)
                    :exec value?)))
    (cons name value?)))