Rename variables def and ctx_map

Signed-off-by: Rudi Grinberg <rudi.grinberg@gmail.com>

src/context.ml

@@ -611,9 +611,9 @@ let separate_independant_contexts topo_contexts =
   | (acc, cur) -> (List.rev cur) :: acc
 
 let instantiate_context env (workspace : Workspace.t)
-      (def : Workspace.Context.t) ctx_map =
+      (context : Workspace.Context.t) contexts =
   let env_nodes =
-    let context = Workspace.Context.env def in
+    let context = Workspace.Context.env context in
     { Env_nodes.
       context
     ; workspace = workspace.env
@@ -622,14 +622,14 @@ let instantiate_context env (workspace : Workspace.t)
   let host_context =
     (* The fact that the context list in [Workspace.t] is
        topologically sorted ensures that this [find_exn] won't fail *)
-    Workspace.Context.host_context def
-    |> Option.map ~f:(String.Map.find_exn ctx_map)
+    Workspace.Context.host_context context
+    |> Option.map ~f:(String.Map.find_exn contexts)
   in
-  match def with
+  match context with
   | Default { targets; name; host_context = _; profile; env = _
             ; toolchain ; loc = _ } ->
     let merlin =
-      workspace.merlin_context = Some (Workspace.Context.name def)
+      workspace.merlin_context = Some (Workspace.Context.name context)
     in
     let host_toolchain =
       match toolchain with
@@ -645,14 +645,14 @@ let instantiate_context env (workspace : Workspace.t)
       ~targets ~host_context ~host_toolchain:toolchain
 
 let instantiate_context_group ~env (workspace : Workspace.t) contexts =
-  List.fold_left contexts ~f:(fun acc def ->
-    let* (ctx_map, contexts) = acc in
-    let+ new_contexts = instantiate_context env workspace def ctx_map in
+  List.fold_left contexts ~f:(fun acc context ->
+    let* (contexts, contexts) = acc in
+    let+ new_contexts = instantiate_context env workspace context contexts in
     let updated_map =
       List.fold_left
         new_contexts
         ~f:(fun map elem -> String.Map.add map elem.name elem)
-        ~init:ctx_map
+        ~init:contexts
     in
     (updated_map, new_contexts @ contexts))
     ~init:(Fiber.return (String.Map.empty, []))