[istd][minor] no need to name ~fold in fold_of_pervasives_map_fold

Summary:
It's typically used inside another ~fold argument and it gets too
verbose.

Reviewed By: da319

Differential Revision: D22846501

fbshipit-source-id: 2fdd4271f

infer/src/istd/IContainer.ml

@@ -70,7 +70,7 @@ let filter ~fold ~filter t ~init ~f =
 
 let map ~f:g fold t ~init ~f = fold t ~init ~f:(fun acc item -> f acc (g item))
 
-let fold_of_pervasives_map_fold ~fold collection ~init ~f =
+let fold_of_pervasives_map_fold fold collection ~init ~f =
   fold (fun item value accum -> f accum (item, value)) collection init
 
 

infer/src/istd/IContainer.mli

@@ -46,7 +46,7 @@ val filter :
 val map : f:('a -> 'b) -> ('t, 'a, 'accum) Container.fold -> ('t, 'b, 'accum) Container.fold
 
 val fold_of_pervasives_map_fold :
-     fold:(('key -> 'value -> 'accum -> 'accum) -> 't -> 'accum -> 'accum)
+     (('key -> 'value -> 'accum -> 'accum) -> 't -> 'accum -> 'accum)
   -> ('t, 'key * 'value, 'accum) Container.fold
 
 val iter_result :

infer/src/pulse/PulseBaseDomain.ml

@@ -243,9 +243,8 @@ end = struct
   let fold ~var_filter astate ~init ~f ~finish =
     let finish (visited, accum) = (visited, finish accum) in
     let init = (AbstractValue.Set.empty, init) in
-    Container.fold_until astate.stack
-      ~fold:(IContainer.fold_of_pervasives_map_fold ~fold:Stack.fold) ~init ~finish
-      ~f:(fun visited_accum (var, (address, _loc)) ->
+    Container.fold_until astate.stack ~fold:(IContainer.fold_of_pervasives_map_fold Stack.fold)
+      ~init ~finish ~f:(fun visited_accum (var, (address, _loc)) ->
         if var_filter var then visit_address var ~f [] astate address visited_accum
         else Continue visited_accum )
 end

infer/src/pulse/PulseInterproc.ml

@@ -76,7 +76,7 @@ let pp_contradiction fmt = function
 exception Contradiction of contradiction
 
 let fold_globals_of_stack call_loc stack call_state ~f =
-  Container.fold_result ~fold:(IContainer.fold_of_pervasives_map_fold ~fold:BaseStack.fold)
+  Container.fold_result ~fold:(IContainer.fold_of_pervasives_map_fold BaseStack.fold)
     stack ~init:call_state ~f:(fun call_state (var, stack_value) ->
       match var with
       | Var.ProgramVar pvar when Pvar.is_global pvar ->

infer/src/pulse/PulseOperations.ml

@@ -285,7 +285,7 @@ let check_address_escape escape_location proc_desc address history astate =
   in
   let check_address_of_stack_variable () =
     let proc_name = Procdesc.get_proc_name proc_desc in
-    IContainer.iter_result ~fold:(IContainer.fold_of_pervasives_map_fold ~fold:Stack.fold) astate
+    IContainer.iter_result ~fold:(IContainer.fold_of_pervasives_map_fold Stack.fold) astate
       ~f:(fun (variable, (var_address, _)) ->
         if
           AbstractValue.equal var_address address