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-rw-r--r--module/language/elisp/falias.scm27
1 files changed, 27 insertions, 0 deletions
diff --git a/module/language/elisp/falias.scm b/module/language/elisp/falias.scm
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+++ b/module/language/elisp/falias.scm
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+(define-module (language elisp falias)
+ #:export (falias?
+ make-falias
+ falias-function
+ falias-object))
+
+(define <falias-vtable>
+ (make-struct <applicable-struct-vtable>
+ 0
+ (make-struct-layout "pwpw")
+ (lambda (object port)
+ (format port "#<falias ~S>" (falias-object object)))))
+
+(set-struct-vtable-name! <falias-vtable> 'falias)
+
+(define (falias? object)
+ (and (struct? object)
+ (eq? (struct-vtable object) <falias-vtable>)))
+
+(define (make-falias f object)
+ (make-struct <falias-vtable> 0 f object))
+
+(define (falias-function object)
+ (struct-ref object 0))
+
+(define (falias-object object)
+ (struct-ref object 1))