try using record dots with TH

cabal.project

@@ -5,10 +5,10 @@ packages: .
 -- so we specify the equivalent commit SHAs manually instead
 source-repository-package
   type: git
-  location: https://github.com/well-typed/hs-bindgen
-  tag: e2a9260678d9fa76dab602a5a07927acada3be4f
+  location: https://github.com/georgefst/hs-bindgen
+  tag: 3693360bcd1f8478932c4944c70baca7c4ecf950
   subdir: c-expr-dsl c-expr-runtime hs-bindgen hs-bindgen-runtime
-  --sha256: 0nrs3iq0l5ha5kxyhqnlmvgi7734pmzyp3zf7p8s1gb21ylh4sy0
+  --sha256: lV2FwS80iHhJU6iie/F24W4dYV+vvmeTu6465NLnOb4=
 source-repository-package
   type: git
   location: https://github.com/well-typed/libclang

lib/GarnetRs/Raw.hs

@@ -1,6 +1,7 @@
 {-# LANGUAGE CApiFFI #-}
 {-# LANGUAGE DerivingVia #-}
 {-# LANGUAGE FieldSelectors #-}
+-- {-# LANGUAGE NoFieldSelectors #-}
 {-# LANGUAGE MagicHash #-}
 {-# LANGUAGE PatternSynonyms #-}
 {-# LANGUAGE TemplateHaskell #-}
@@ -41,6 +42,9 @@ do
     withHsBindgen
         def
             { clang = def{extraIncludeDirs = Pkg "rust" : systemDirs}
+            -- hmm, I guess there's a reason this wasn't exported
+            -- , fieldNamingStrategy = EnableRecordDot
+            , fieldNamingStrategy = PrefixedFieldNames
             }
         def
         $ hashInclude "garnet_rs.h"