diff --git a/libs/utils.lua b/libs/utils.lua
index 0ba3dc0..75b235a 100644
--- a/libs/utils.lua
+++ b/libs/utils.lua
@@ -92,4 +92,18 @@ utils.find = function(t, predicate)
   end
 end
 
+-- repeat n times the given element x in a new table
+utils.rep = function(x, n)
+  if n < 1 then
+    return {}
+  end
+
+  local result = {}
+  for i=1, n, 1 do
+    result[i] = x
+  end
+
+  return result
+end
+
 return utils
\ No newline at end of file