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-rw-r--r--l/src/call-id.lisp12
1 files changed, 12 insertions, 0 deletions
diff --git a/l/src/call-id.lisp b/l/src/call-id.lisp
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+++ b/l/src/call-id.lisp
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+(in-package :extreload)
+
+(defclass call-id ()
+ ((id
+ :initform 0
+ :documentation "Current call ID.")))
+
+(defgeneric next-call-id (call-id)
+ (:documentation "Increment the call ID and return the result."))
+
+(defmethod next-call-id ((call-id call-id))
+ (incf (slot-value call-id 'id)))