docs(users/Profpatsch/lens): setter inline arrows r/3052

Change-Id: I22bed7bc16b69f94556142cad1079e23f3550bb1
Reviewed-on: https://cl.tvl.fyi/c/depot/+/3846
Tested-by: BuildkiteCI
Reviewed-by: Profpatsch <mail@profpatsch.de>

1 files changed, 2 insertions, 0 deletions

diff --git a/users/Profpatsch/lens.nix b/users/Profpatsch/lens.nix
index 3c429bbdb14e..db102d8b1a6b 100644
--- a/users/Profpatsch/lens.nix
+++ b/users/Profpatsch/lens.nix
@@ -89,6 +89,8 @@ let
       (attrs: a: attrs // { ${name} = a; });
 
   # Setter :: (->) a b -> (->) s t
+  # Setter :: (a -> b) -> (s -> t)
+
 
   # Subclasses of profunctor for (->).
   # We only have Strong for now, but when we implement Choice we need to add it here.