4 files changed, 85 insertions, 22 deletions
diff --git a/tests/coq/misc/NoNestedBorrows.v b/tests/coq/misc/NoNestedBorrows.v
index 46b08184..923609c5 100644
--- a/tests/coq/misc/NoNestedBorrows.v
+++ b/tests/coq/misc/NoNestedBorrows.v
@@ -531,30 +531,49 @@ Definition read_then_incr (x : u32) : result (u32 * u32) :=
     Source: 'tests/src/no_nested_borrows.rs', lines 480:0-480:24 *)
 Definition Tuple_t (T1 T2 : Type) : Type := T1 * T2.
 
-(** [no_nested_borrows::use_tuple_struct]:
-    Source: 'tests/src/no_nested_borrows.rs', lines 482:0-482:48 *)
-Definition use_tuple_struct (x : Tuple_t u32 u32) : result (Tuple_t u32 u32) :=
+(** [no_nested_borrows::read_tuple]:
+    Source: 'tests/src/no_nested_borrows.rs', lines 482:0-482:40 *)
+Definition read_tuple (x : (u32 * u32)) : result u32 :=
+  let (i, _) := x in Ok i
+.
+
+(** [no_nested_borrows::update_tuple]:
+    Source: 'tests/src/no_nested_borrows.rs', lines 486:0-486:39 *)
+Definition update_tuple (x : (u32 * u32)) : result (u32 * u32) :=
+  let (_, i) := x in Ok (1%u32, i)
+.
+
+(** [no_nested_borrows::read_tuple_struct]:
+    Source: 'tests/src/no_nested_borrows.rs', lines 490:0-490:52 *)
+Definition read_tuple_struct (x : Tuple_t u32 u32) : result u32 :=
+  let (i, _) := x in Ok i
+.
+
+(** [no_nested_borrows::update_tuple_struct]:
+    Source: 'tests/src/no_nested_borrows.rs', lines 494:0-494:51 *)
+Definition update_tuple_struct
+  (x : Tuple_t u32 u32) : result (Tuple_t u32 u32) :=
   let (_, i) := x in Ok (1%u32, i)
 .
 
 (** [no_nested_borrows::create_tuple_struct]:
-    Source: 'tests/src/no_nested_borrows.rs', lines 486:0-486:61 *)
+    Source: 'tests/src/no_nested_borrows.rs', lines 498:0-498:61 *)
 Definition create_tuple_struct
   (x : u32) (y : u64) : result (Tuple_t u32 u64) :=
   Ok (x, y)
 .
 
 (** [no_nested_borrows::IdType]
-    Source: 'tests/src/no_nested_borrows.rs', lines 491:0-491:20 *)
+    Source: 'tests/src/no_nested_borrows.rs', lines 503:0-503:20 *)
 Definition IdType_t (T : Type) : Type := T.
 
 (** [no_nested_borrows::use_id_type]:
-    Source: 'tests/src/no_nested_borrows.rs', lines 493:0-493:40 *)
+    Source: 'tests/src/no_nested_borrows.rs', lines 505:0-505:40 *)
 Definition use_id_type (T : Type) (x : IdType_t T) : result T :=
   Ok x.
 
 (** [no_nested_borrows::create_id_type]:
-    Source: 'tests/src/no_nested_borrows.rs', lines 497:0-497:43 *)
+    Source: 'tests/src/no_nested_borrows.rs', lines 509:0-509:43 *)
 Definition create_id_type (T : Type) (x : T) : result (IdType_t T) :=
   Ok x.
 
diff --git a/tests/fstar/misc/NoNestedBorrows.fst b/tests/fstar/misc/NoNestedBorrows.fst
index a5ba31bc..f45d7f23 100644
--- a/tests/fstar/misc/NoNestedBorrows.fst
+++ b/tests/fstar/misc/NoNestedBorrows.fst
@@ -446,27 +446,42 @@ let read_then_incr (x : u32) : result (u32 & u32) =
     Source: 'tests/src/no_nested_borrows.rs', lines 480:0-480:24 *)
 type tuple_t (t1 t2 : Type0) = t1 * t2
 
-(** [no_nested_borrows::use_tuple_struct]:
-    Source: 'tests/src/no_nested_borrows.rs', lines 482:0-482:48 *)
-let use_tuple_struct (x : tuple_t u32 u32) : result (tuple_t u32 u32) =
+(** [no_nested_borrows::read_tuple]:
+    Source: 'tests/src/no_nested_borrows.rs', lines 482:0-482:40 *)
+let read_tuple (x : (u32 & u32)) : result u32 =
+  let (i, _) = x in Ok i
+
+(** [no_nested_borrows::update_tuple]:
+    Source: 'tests/src/no_nested_borrows.rs', lines 486:0-486:39 *)
+let update_tuple (x : (u32 & u32)) : result (u32 & u32) =
+  let (_, i) = x in Ok (1, i)
+
+(** [no_nested_borrows::read_tuple_struct]:
+    Source: 'tests/src/no_nested_borrows.rs', lines 490:0-490:52 *)
+let read_tuple_struct (x : tuple_t u32 u32) : result u32 =
+  let (i, _) = x in Ok i
+
+(** [no_nested_borrows::update_tuple_struct]:
+    Source: 'tests/src/no_nested_borrows.rs', lines 494:0-494:51 *)
+let update_tuple_struct (x : tuple_t u32 u32) : result (tuple_t u32 u32) =
   let (_, i) = x in Ok (1, i)
 
 (** [no_nested_borrows::create_tuple_struct]:
-    Source: 'tests/src/no_nested_borrows.rs', lines 486:0-486:61 *)
+    Source: 'tests/src/no_nested_borrows.rs', lines 498:0-498:61 *)
 let create_tuple_struct (x : u32) (y : u64) : result (tuple_t u32 u64) =
   Ok (x, y)
 
 (** [no_nested_borrows::IdType]
-    Source: 'tests/src/no_nested_borrows.rs', lines 491:0-491:20 *)
+    Source: 'tests/src/no_nested_borrows.rs', lines 503:0-503:20 *)
 type idType_t (t : Type0) = t
 
 (** [no_nested_borrows::use_id_type]:
-    Source: 'tests/src/no_nested_borrows.rs', lines 493:0-493:40 *)
+    Source: 'tests/src/no_nested_borrows.rs', lines 505:0-505:40 *)
 let use_id_type (t : Type0) (x : idType_t t) : result t =
   Ok x
 
 (** [no_nested_borrows::create_id_type]:
-    Source: 'tests/src/no_nested_borrows.rs', lines 497:0-497:43 *)
+    Source: 'tests/src/no_nested_borrows.rs', lines 509:0-509:43 *)
 let create_id_type (t : Type0) (x : t) : result (idType_t t) =
   Ok x
 
diff --git a/tests/lean/NoNestedBorrows.lean b/tests/lean/NoNestedBorrows.lean
index b8fbcff0..262fc79e 100644
--- a/tests/lean/NoNestedBorrows.lean
+++ b/tests/lean/NoNestedBorrows.lean
@@ -538,27 +538,44 @@ def read_then_incr (x : U32) : Result (U32 × U32) :=
    Source: 'tests/src/no_nested_borrows.rs', lines 480:0-480:24 -/
 def Tuple (T1 T2 : Type) := T1 × T2
 
-/- [no_nested_borrows::use_tuple_struct]:
-   Source: 'tests/src/no_nested_borrows.rs', lines 482:0-482:48 -/
-def use_tuple_struct (x : Tuple U32 U32) : Result (Tuple U32 U32) :=
+/- [no_nested_borrows::read_tuple]:
+   Source: 'tests/src/no_nested_borrows.rs', lines 482:0-482:40 -/
+def read_tuple (x : (U32 × U32)) : Result U32 :=
+  let (i, _) := x
+  Result.ok i
+
+/- [no_nested_borrows::update_tuple]:
+   Source: 'tests/src/no_nested_borrows.rs', lines 486:0-486:39 -/
+def update_tuple (x : (U32 × U32)) : Result (U32 × U32) :=
+  let (_, i) := x
+  Result.ok (1#u32, i)
+
+/- [no_nested_borrows::read_tuple_struct]:
+   Source: 'tests/src/no_nested_borrows.rs', lines 490:0-490:52 -/
+def read_tuple_struct (x : Tuple U32 U32) : Result U32 :=
+  Result.ok x.#0
+
+/- [no_nested_borrows::update_tuple_struct]:
+   Source: 'tests/src/no_nested_borrows.rs', lines 494:0-494:51 -/
+def update_tuple_struct (x : Tuple U32 U32) : Result (Tuple U32 U32) :=
   Result.ok (1#u32, x.#1)
 
 /- [no_nested_borrows::create_tuple_struct]:
-   Source: 'tests/src/no_nested_borrows.rs', lines 486:0-486:61 -/
+   Source: 'tests/src/no_nested_borrows.rs', lines 498:0-498:61 -/
 def create_tuple_struct (x : U32) (y : U64) : Result (Tuple U32 U64) :=
   Result.ok (x, y)
 
 /- [no_nested_borrows::IdType]
-   Source: 'tests/src/no_nested_borrows.rs', lines 491:0-491:20 -/
+   Source: 'tests/src/no_nested_borrows.rs', lines 503:0-503:20 -/
 @[reducible] def IdType (T : Type) := T
 
 /- [no_nested_borrows::use_id_type]:
-   Source: 'tests/src/no_nested_borrows.rs', lines 493:0-493:40 -/
+   Source: 'tests/src/no_nested_borrows.rs', lines 505:0-505:40 -/
 def use_id_type (T : Type) (x : IdType T) : Result T :=
   Result.ok x
 
 /- [no_nested_borrows::create_id_type]:
-   Source: 'tests/src/no_nested_borrows.rs', lines 497:0-497:43 -/
+   Source: 'tests/src/no_nested_borrows.rs', lines 509:0-509:43 -/
 def create_id_type (T : Type) (x : T) : Result (IdType T) :=
   Result.ok x
 
diff --git a/tests/src/no_nested_borrows.rs b/tests/src/no_nested_borrows.rs
index 11c4a695..20f8efea 100644
--- a/tests/src/no_nested_borrows.rs
+++ b/tests/src/no_nested_borrows.rs
@@ -479,7 +479,19 @@ pub fn read_then_incr(x: &mut u32) -> u32 {
 
 pub struct Tuple<T1, T2>(T1, T2);
 
-pub fn use_tuple_struct(x: &mut Tuple<u32, u32>) {
+pub fn read_tuple(x: &(u32, u32)) -> u32 {
+    x.0
+}
+
+pub fn update_tuple(x: &mut (u32, u32)) {
+    x.0 = 1;
+}
+
+pub fn read_tuple_struct(x: &Tuple<u32, u32>) -> u32 {
+    x.0
+}
+
+pub fn update_tuple_struct(x: &mut Tuple<u32, u32>) {
     x.0 = 1;
 }