9 files changed, 60 insertions, 19 deletions
diff --git a/tests/coq/arrays/Primitives.v b/tests/coq/arrays/Primitives.v
index 5ffda12f..b29fce43 100644
--- a/tests/coq/arrays/Primitives.v
+++ b/tests/coq/arrays/Primitives.v
@@ -564,6 +564,13 @@ Definition core_clone_CloneI128 : core_clone_Clone i128 := {|
   clone := fun x => Ok (core_clone_impls_CloneI128_clone x)
 |}.
 
+(** [core::option::{core::option::Option<T>}::unwrap] *)
+Definition core_option_Option_unwrap (T : Type) (x : option T) : result T :=
+  match x with
+  | None => Fail_ Failure
+  | Some x => Ok x
+  end.
+
 (*** core::ops *)
 
 (* Trait declaration: [core::ops::index::Index] *)
diff --git a/tests/coq/betree/BetreeMain_Funs.v b/tests/coq/betree/BetreeMain_Funs.v
index 80518eab..c31713be 100644
--- a/tests/coq/betree/BetreeMain_Funs.v
+++ b/tests/coq/betree/BetreeMain_Funs.v
@@ -275,8 +275,8 @@ Fixpoint betree_Node_lookup_in_bindings
     Source: 'src/betree.rs', lines 819:4-819:90 *)
 Fixpoint betree_Node_apply_upserts
   (n : nat) (msgs : betree_List_t (u64 * betree_Message_t)) (prev : option u64)
-  (key : u64) (st : state) :
-  result (state * (u64 * (betree_List_t (u64 * betree_Message_t))))
+  (key : u64) :
+  result (u64 * (betree_List_t (u64 * betree_Message_t)))
   :=
   match n with
   | O => Fail_ OutOfFuel
@@ -292,15 +292,14 @@ Fixpoint betree_Node_apply_upserts
       | Betree_Message_Delete => Fail_ Failure
       | Betree_Message_Upsert s =>
         v <- betree_upsert_update prev s;
-        betree_Node_apply_upserts n1 msgs1 (Some v) key st
+        betree_Node_apply_upserts n1 msgs1 (Some v) key
       end)
     else (
-      p <- core_option_Option_unwrap u64 prev st;
-      let (st1, v) := p in
+      v <- core_option_Option_unwrap u64 prev;
       msgs1 <-
         betree_List_push_front (u64 * betree_Message_t) msgs (key,
           Betree_Message_Insert v);
-      Ok (st1, (v, msgs1)))
+      Ok (v, msgs1))
   end
 .
 
@@ -371,14 +370,13 @@ with betree_Node_lookup
             let (v, node1) := p4 in
             p5 <-
               betree_Node_apply_upserts n1 (Betree_List_Cons (k,
-                Betree_Message_Upsert ufs) l) v key st2;
-            let (st3, p6) := p5 in
-            let (v1, pending1) := p6 in
+                Betree_Message_Upsert ufs) l) v key;
+            let (v1, pending1) := p5 in
             msgs1 <- lookup_first_message_for_key_back pending1;
-            p7 <-
-              betree_store_internal_node node1.(betree_Internal_id) msgs1 st3;
-            let (st4, _) := p7 in
-            Ok (st4, (Some v1, Betree_Node_Internal node1))
+            p6 <-
+              betree_store_internal_node node1.(betree_Internal_id) msgs1 st2;
+            let (st3, _) := p6 in
+            Ok (st3, (Some v1, Betree_Node_Internal node1))
           end
       | Betree_List_Nil =>
         p2 <- betree_Internal_lookup_in_children n1 node key st1;
diff --git a/tests/coq/betree/BetreeMain_FunsExternal.v b/tests/coq/betree/BetreeMain_FunsExternal.v
index 2d77c4ed..099a2e8f 100644
--- a/tests/coq/betree/BetreeMain_FunsExternal.v
+++ b/tests/coq/betree/BetreeMain_FunsExternal.v
@@ -36,10 +36,4 @@ Axiom betree_utils_store_leaf_node
   : u64 -> betree_List_t (u64 * u64) -> state -> result (state * unit)
 .
 
-(** [core::option::{core::option::Option<T>}::unwrap]: forward function
-    Source: '/rustc/d59363ad0b6391b7fc5bbb02c9ccf9300eef3753/library/core/src/option.rs', lines 932:4-932:34 *)
-Axiom core_option_Option_unwrap :
-  forall(T : Type), option T -> state -> result (state * T)
-.
-
 End BetreeMain_FunsExternal.
diff --git a/tests/coq/betree/Primitives.v b/tests/coq/betree/Primitives.v
index 5ffda12f..b29fce43 100644
--- a/tests/coq/betree/Primitives.v
+++ b/tests/coq/betree/Primitives.v
@@ -564,6 +564,13 @@ Definition core_clone_CloneI128 : core_clone_Clone i128 := {|
   clone := fun x => Ok (core_clone_impls_CloneI128_clone x)
 |}.
 
+(** [core::option::{core::option::Option<T>}::unwrap] *)
+Definition core_option_Option_unwrap (T : Type) (x : option T) : result T :=
+  match x with
+  | None => Fail_ Failure
+  | Some x => Ok x
+  end.
+
 (*** core::ops *)
 
 (* Trait declaration: [core::ops::index::Index] *)
diff --git a/tests/coq/demo/Primitives.v b/tests/coq/demo/Primitives.v
index 5ffda12f..b29fce43 100644
--- a/tests/coq/demo/Primitives.v
+++ b/tests/coq/demo/Primitives.v
@@ -564,6 +564,13 @@ Definition core_clone_CloneI128 : core_clone_Clone i128 := {|
   clone := fun x => Ok (core_clone_impls_CloneI128_clone x)
 |}.
 
+(** [core::option::{core::option::Option<T>}::unwrap] *)
+Definition core_option_Option_unwrap (T : Type) (x : option T) : result T :=
+  match x with
+  | None => Fail_ Failure
+  | Some x => Ok x
+  end.
+
 (*** core::ops *)
 
 (* Trait declaration: [core::ops::index::Index] *)
diff --git a/tests/coq/hashmap/Primitives.v b/tests/coq/hashmap/Primitives.v
index 5ffda12f..b29fce43 100644
--- a/tests/coq/hashmap/Primitives.v
+++ b/tests/coq/hashmap/Primitives.v
@@ -564,6 +564,13 @@ Definition core_clone_CloneI128 : core_clone_Clone i128 := {|
   clone := fun x => Ok (core_clone_impls_CloneI128_clone x)
 |}.
 
+(** [core::option::{core::option::Option<T>}::unwrap] *)
+Definition core_option_Option_unwrap (T : Type) (x : option T) : result T :=
+  match x with
+  | None => Fail_ Failure
+  | Some x => Ok x
+  end.
+
 (*** core::ops *)
 
 (* Trait declaration: [core::ops::index::Index] *)
diff --git a/tests/coq/hashmap_on_disk/Primitives.v b/tests/coq/hashmap_on_disk/Primitives.v
index 5ffda12f..b29fce43 100644
--- a/tests/coq/hashmap_on_disk/Primitives.v
+++ b/tests/coq/hashmap_on_disk/Primitives.v
@@ -564,6 +564,13 @@ Definition core_clone_CloneI128 : core_clone_Clone i128 := {|
   clone := fun x => Ok (core_clone_impls_CloneI128_clone x)
 |}.
 
+(** [core::option::{core::option::Option<T>}::unwrap] *)
+Definition core_option_Option_unwrap (T : Type) (x : option T) : result T :=
+  match x with
+  | None => Fail_ Failure
+  | Some x => Ok x
+  end.
+
 (*** core::ops *)
 
 (* Trait declaration: [core::ops::index::Index] *)
diff --git a/tests/coq/misc/Primitives.v b/tests/coq/misc/Primitives.v
index 5ffda12f..b29fce43 100644
--- a/tests/coq/misc/Primitives.v
+++ b/tests/coq/misc/Primitives.v
@@ -564,6 +564,13 @@ Definition core_clone_CloneI128 : core_clone_Clone i128 := {|
   clone := fun x => Ok (core_clone_impls_CloneI128_clone x)
 |}.
 
+(** [core::option::{core::option::Option<T>}::unwrap] *)
+Definition core_option_Option_unwrap (T : Type) (x : option T) : result T :=
+  match x with
+  | None => Fail_ Failure
+  | Some x => Ok x
+  end.
+
 (*** core::ops *)
 
 (* Trait declaration: [core::ops::index::Index] *)
diff --git a/tests/coq/traits/Primitives.v b/tests/coq/traits/Primitives.v
index 5ffda12f..b29fce43 100644
--- a/tests/coq/traits/Primitives.v
+++ b/tests/coq/traits/Primitives.v
@@ -564,6 +564,13 @@ Definition core_clone_CloneI128 : core_clone_Clone i128 := {|
   clone := fun x => Ok (core_clone_impls_CloneI128_clone x)
 |}.
 
+(** [core::option::{core::option::Option<T>}::unwrap] *)
+Definition core_option_Option_unwrap (T : Type) (x : option T) : result T :=
+  match x with
+  | None => Fail_ Failure
+  | Some x => Ok x
+  end.
+
 (*** core::ops *)
 
 (* Trait declaration: [core::ops::index::Index] *)