1 files changed, 8 insertions, 2 deletions
diff --git a/entity.scm b/entity.scm
index dab2e83..16d28c4 100644
--- a/entity.scm
+++ b/entity.scm
@@ -27,8 +27,14 @@
                                (loop (cddr lst) (cons v (cons k acc)))))))))
       (cons key (cons val cleaned))))
 
-  (define (entity-update entity key proc #!optional default)
-    (entity-set entity key (proc (entity-ref entity key default))))
+(define (entity-set-many entity pairs)
+  (fold (lambda (pair working-ent)
+	 (entity-set working-ent (car pair) (cdr pair)))
+	entity
+	pairs))
+
+(define (entity-update entity key proc #!optional default)
+  (entity-set entity key (proc (entity-ref entity key default))))
 
   ;; #:skip-pipelines — list of symbols naming frame pipeline steps to skip for this
   ;; entity. Physics documents the built-in step names (see docs/physics.org). Other