Add warning to Derivatives module.

This is an unstable interface; we probably want those lenses to focus polynomials, not just linear mappings.
leftaroundabout · Feb 17, 2017 · f07057f · f07057f
1 parent dff60e0
commit f07057f
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/Math/LinearMap/Category/Derivatives.hs b/Math/LinearMap/Category/Derivatives.hs
@@ -24,7 +24,8 @@
 {-# LANGUAGE GADTs                      #-}
 {-# LANGUAGE DefaultSignatures          #-}
 
-module Math.LinearMap.Category.Derivatives where
+module Math.LinearMap.Category.Derivatives
+    {-# WARNING "These lenses will probably change their domain in the future." #-} where
 
 import Data.VectorSpace
 import Data.VectorSpace.Free