From c380ab1699a115edf88e9d83234a4423333e52bf Mon Sep 17 00:00:00 2001
From: Son Ho
Date: Thu, 26 Oct 2023 14:12:09 +0200
Subject: Regenerate the array files for Lean

---
 tests/lean/Array/Funs.lean  | 206 +++++++++++++++++++++-----------------------
 tests/lean/Array/Types.lean |   8 +-
 2 files changed, 103 insertions(+), 111 deletions(-)

(limited to 'tests')

diff --git a/tests/lean/Array/Funs.lean b/tests/lean/Array/Funs.lean
index 899bf856..32ae6248 100644
--- a/tests/lean/Array/Funs.lean
+++ b/tests/lean/Array/Funs.lean
@@ -13,89 +13,87 @@ def incr (x : U32) : Result U32 :=
 
 /- [array::array_to_shared_slice_]: forward function -/
 def array_to_shared_slice_
-  (T0 : Type) (s : Array T0 32#usize) : Result (Slice T0) :=
-  Array.to_slice_shared T0 32#usize s
+  (T : Type) (s : Array T 32#usize) : Result (Slice T) :=
+  Array.to_slice T 32#usize s
 
 /- [array::array_to_mut_slice_]: forward function -/
-def array_to_mut_slice_
-  (T0 : Type) (s : Array T0 32#usize) : Result (Slice T0) :=
-  Array.to_slice_mut T0 32#usize s
+def array_to_mut_slice_ (T : Type) (s : Array T 32#usize) : Result (Slice T) :=
+  Array.to_slice T 32#usize s
 
 /- [array::array_to_mut_slice_]: backward function 0 -/
 def array_to_mut_slice__back
-  (T0 : Type) (s : Array T0 32#usize) (ret0 : Slice T0) :
-  Result (Array T0 32#usize)
+  (T : Type) (s : Array T 32#usize) (ret0 : Slice T) :
+  Result (Array T 32#usize)
   :=
-  Array.to_slice_mut_back T0 32#usize s ret0
+  Array.from_slice T 32#usize s ret0
 
 /- [array::array_len]: forward function -/
-def array_len (T0 : Type) (s : Array T0 32#usize) : Result Usize :=
+def array_len (T : Type) (s : Array T 32#usize) : Result Usize :=
   do
-    let s0 ← Array.to_slice_shared T0 32#usize s
-    let i := Slice.len T0 s0
+    let s0 ← Array.to_slice T 32#usize s
+    let i := Slice.len T s0
     Result.ret i
 
 /- [array::shared_array_len]: forward function -/
-def shared_array_len (T0 : Type) (s : Array T0 32#usize) : Result Usize :=
+def shared_array_len (T : Type) (s : Array T 32#usize) : Result Usize :=
   do
-    let s0 ← Array.to_slice_shared T0 32#usize s
-    let i := Slice.len T0 s0
+    let s0 ← Array.to_slice T 32#usize s
+    let i := Slice.len T s0
     Result.ret i
 
 /- [array::shared_slice_len]: forward function -/
-def shared_slice_len (T0 : Type) (s : Slice T0) : Result Usize :=
-  let i := Slice.len T0 s
+def shared_slice_len (T : Type) (s : Slice T) : Result Usize :=
+  let i := Slice.len T s
   Result.ret i
 
 /- [array::index_array_shared]: forward function -/
 def index_array_shared
-  (T0 : Type) (s : Array T0 32#usize) (i : Usize) : Result T0 :=
-  Array.index_shared T0 32#usize s i
+  (T : Type) (s : Array T 32#usize) (i : Usize) : Result T :=
+  Array.index_usize T 32#usize s i
 
 /- [array::index_array_u32]: forward function -/
 def index_array_u32 (s : Array U32 32#usize) (i : Usize) : Result U32 :=
-  Array.index_shared U32 32#usize s i
+  Array.index_usize U32 32#usize s i
 
 /- [array::index_array_copy]: forward function -/
 def index_array_copy (x : Array U32 32#usize) : Result U32 :=
-  Array.index_shared U32 32#usize x 0#usize
+  Array.index_usize U32 32#usize x 0#usize
 
 /- [array::index_mut_array]: forward function -/
-def index_mut_array
-  (T0 : Type) (s : Array T0 32#usize) (i : Usize) : Result T0 :=
-  Array.index_mut T0 32#usize s i
+def index_mut_array (T : Type) (s : Array T 32#usize) (i : Usize) : Result T :=
+  Array.index_usize T 32#usize s i
 
 /- [array::index_mut_array]: backward function 0 -/
 def index_mut_array_back
-  (T0 : Type) (s : Array T0 32#usize) (i : Usize) (ret0 : T0) :
-  Result (Array T0 32#usize)
+  (T : Type) (s : Array T 32#usize) (i : Usize) (ret0 : T) :
+  Result (Array T 32#usize)
   :=
-  Array.index_mut_back T0 32#usize s i ret0
+  Array.update_usize T 32#usize s i ret0
 
 /- [array::index_slice]: forward function -/
-def index_slice (T0 : Type) (s : Slice T0) (i : Usize) : Result T0 :=
-  Slice.index_shared T0 s i
+def index_slice (T : Type) (s : Slice T) (i : Usize) : Result T :=
+  Slice.index_usize T s i
 
 /- [array::index_mut_slice]: forward function -/
-def index_mut_slice (T0 : Type) (s : Slice T0) (i : Usize) : Result T0 :=
-  Slice.index_mut T0 s i
+def index_mut_slice (T : Type) (s : Slice T) (i : Usize) : Result T :=
+  Slice.index_usize T s i
 
 /- [array::index_mut_slice]: backward function 0 -/
 def index_mut_slice_back
-  (T0 : Type) (s : Slice T0) (i : Usize) (ret0 : T0) : Result (Slice T0) :=
-  Slice.index_mut_back T0 s i ret0
+  (T : Type) (s : Slice T) (i : Usize) (ret0 : T) : Result (Slice T) :=
+  Slice.update_usize T s i ret0
 
 /- [array::slice_subslice_shared_]: forward function -/
 def slice_subslice_shared_
   (x : Slice U32) (y : Usize) (z : Usize) : Result (Slice U32) :=
-  core.slice.index.Slice.index U32 (Range Usize)
+  core.slice.index.Slice.index U32 (core.ops.range.Range Usize)
     (core.slice.index.Range.coresliceindexSliceIndexInst U32) x
     { start := y, end_ := z }
 
 /- [array::slice_subslice_mut_]: forward function -/
 def slice_subslice_mut_
   (x : Slice U32) (y : Usize) (z : Usize) : Result (Slice U32) :=
-  core.slice.index.Slice.index_mut U32 (Range Usize)
+  core.slice.index.Slice.index_mut U32 (core.ops.range.Range Usize)
     (core.slice.index.Range.coresliceindexSliceIndexInst U32) x
     { start := y, end_ := z }
 
@@ -104,37 +102,37 @@ def slice_subslice_mut__back
   (x : Slice U32) (y : Usize) (z : Usize) (ret0 : Slice U32) :
   Result (Slice U32)
   :=
-  core.slice.index.Slice.index_mut_back U32 (Range Usize)
+  core.slice.index.Slice.index_mut_back U32 (core.ops.range.Range Usize)
     (core.slice.index.Range.coresliceindexSliceIndexInst U32) x
     { start := y, end_ := z } ret0
 
 /- [array::array_to_slice_shared_]: forward function -/
 def array_to_slice_shared_ (x : Array U32 32#usize) : Result (Slice U32) :=
-  Array.to_slice_shared U32 32#usize x
+  Array.to_slice U32 32#usize x
 
 /- [array::array_to_slice_mut_]: forward function -/
 def array_to_slice_mut_ (x : Array U32 32#usize) : Result (Slice U32) :=
-  Array.to_slice_mut U32 32#usize x
+  Array.to_slice U32 32#usize x
 
 /- [array::array_to_slice_mut_]: backward function 0 -/
 def array_to_slice_mut__back
   (x : Array U32 32#usize) (ret0 : Slice U32) : Result (Array U32 32#usize) :=
-  Array.to_slice_mut_back U32 32#usize x ret0
+  Array.from_slice U32 32#usize x ret0
 
 /- [array::array_subslice_shared_]: forward function -/
 def array_subslice_shared_
   (x : Array U32 32#usize) (y : Usize) (z : Usize) : Result (Slice U32) :=
-  core.array.Array.index U32 (Range Usize) 32#usize
-    (core.slice.index.Slice.coreopsindexIndexInst U32 (Range Usize)
-    (core.slice.index.Range.coresliceindexSliceIndexInst U32)) x
+  core.array.Array.index U32 (core.ops.range.Range Usize) 32#usize
+    (core.slice.index.Slice.coreopsindexIndexInst U32 (core.ops.range.Range
+    Usize) (core.slice.index.Range.coresliceindexSliceIndexInst U32)) x
     { start := y, end_ := z }
 
 /- [array::array_subslice_mut_]: forward function -/
 def array_subslice_mut_
   (x : Array U32 32#usize) (y : Usize) (z : Usize) : Result (Slice U32) :=
-  core.array.Array.index_mut U32 (Range Usize) 32#usize
-    (core.slice.index.Slice.coreopsindexIndexMutInst U32 (Range Usize)
-    (core.slice.index.Range.coresliceindexSliceIndexInst U32)) x
+  core.array.Array.index_mut U32 (core.ops.range.Range Usize) 32#usize
+    (core.slice.index.Slice.coreopsindexIndexMutInst U32 (core.ops.range.Range
+    Usize) (core.slice.index.Range.coresliceindexSliceIndexInst U32)) x
     { start := y, end_ := z }
 
 /- [array::array_subslice_mut_]: backward function 0 -/
@@ -142,18 +140,18 @@ def array_subslice_mut__back
   (x : Array U32 32#usize) (y : Usize) (z : Usize) (ret0 : Slice U32) :
   Result (Array U32 32#usize)
   :=
-  core.array.Array.index_mut_back U32 (Range Usize) 32#usize
-    (core.slice.index.Slice.coreopsindexIndexMutInst U32 (Range Usize)
-    (core.slice.index.Range.coresliceindexSliceIndexInst U32)) x
+  core.array.Array.index_mut_back U32 (core.ops.range.Range Usize) 32#usize
+    (core.slice.index.Slice.coreopsindexIndexMutInst U32 (core.ops.range.Range
+    Usize) (core.slice.index.Range.coresliceindexSliceIndexInst U32)) x
     { start := y, end_ := z } ret0
 
 /- [array::index_slice_0]: forward function -/
-def index_slice_0 (T0 : Type) (s : Slice T0) : Result T0 :=
-  Slice.index_shared T0 s 0#usize
+def index_slice_0 (T : Type) (s : Slice T) : Result T :=
+  Slice.index_usize T s 0#usize
 
 /- [array::index_array_0]: forward function -/
-def index_array_0 (T0 : Type) (s : Array T0 32#usize) : Result T0 :=
-  Array.index_shared T0 32#usize s 0#usize
+def index_array_0 (T : Type) (s : Array T 32#usize) : Result T :=
+  Array.index_usize T 32#usize s 0#usize
 
 /- [array::index_index_array]: forward function -/
 def index_index_array
@@ -161,8 +159,8 @@ def index_index_array
   Result U32
   :=
   do
-    let a ← Array.index_shared (Array U32 32#usize) 32#usize s i
-    Array.index_shared U32 32#usize a j
+    let a ← Array.index_usize (Array U32 32#usize) 32#usize s i
+    Array.index_usize U32 32#usize a j
 
 /- [array::update_update_array]: forward function -/
 def update_update_array
@@ -170,9 +168,9 @@ def update_update_array
   Result Unit
   :=
   do
-    let a ← Array.index_mut (Array U32 32#usize) 32#usize s i
-    let a0 ← Array.index_mut_back U32 32#usize a j 0#u32
-    let _ ← Array.index_mut_back (Array U32 32#usize) 32#usize s i a0
+    let a ← Array.index_usize (Array U32 32#usize) 32#usize s i
+    let a0 ← Array.update_usize U32 32#usize a j 0#u32
+    let _ ← Array.update_usize (Array U32 32#usize) 32#usize s i a0
     Result.ret ()
 
 /- [array::array_local_deep_copy]: forward function -/
@@ -202,37 +200,35 @@ def take_all : Result Unit :=
     let _ ← take_array (Array.make U32 2#usize [ 0#u32, 0#u32 ])
     let _ ← take_array_borrow (Array.make U32 2#usize [ 0#u32, 0#u32 ])
     let s ←
-      Array.to_slice_shared U32 2#usize
-        (Array.make U32 2#usize [ 0#u32, 0#u32 ])
+      Array.to_slice U32 2#usize (Array.make U32 2#usize [ 0#u32, 0#u32 ])
     let _ ← take_slice s
     let s0 ←
-      Array.to_slice_mut U32 2#usize (Array.make U32 2#usize [ 0#u32, 0#u32 ])
+      Array.to_slice U32 2#usize (Array.make U32 2#usize [ 0#u32, 0#u32 ])
     let s1 ← take_mut_slice s0
     let _ ←
-      Array.to_slice_mut_back U32 2#usize
-        (Array.make U32 2#usize [ 0#u32, 0#u32 ]) s1
+      Array.from_slice U32 2#usize (Array.make U32 2#usize [ 0#u32, 0#u32 ]) s1
     Result.ret ()
 
 /- [array::index_array]: forward function -/
 def index_array (x : Array U32 2#usize) : Result U32 :=
-  Array.index_shared U32 2#usize x 0#usize
+  Array.index_usize U32 2#usize x 0#usize
 
 /- [array::index_array_borrow]: forward function -/
 def index_array_borrow (x : Array U32 2#usize) : Result U32 :=
-  Array.index_shared U32 2#usize x 0#usize
+  Array.index_usize U32 2#usize x 0#usize
 
 /- [array::index_slice_u32_0]: forward function -/
 def index_slice_u32_0 (x : Slice U32) : Result U32 :=
-  Slice.index_shared U32 x 0#usize
+  Slice.index_usize U32 x 0#usize
 
 /- [array::index_mut_slice_u32_0]: forward function -/
 def index_mut_slice_u32_0 (x : Slice U32) : Result U32 :=
-  Slice.index_shared U32 x 0#usize
+  Slice.index_usize U32 x 0#usize
 
 /- [array::index_mut_slice_u32_0]: backward function 0 -/
 def index_mut_slice_u32_0_back (x : Slice U32) : Result (Slice U32) :=
   do
-    let _ ← Slice.index_shared U32 x 0#usize
+    let _ ← Slice.index_usize U32 x 0#usize
     Result.ret x
 
 /- [array::index_all]: forward function -/
@@ -244,60 +240,60 @@ def index_all : Result U32 :=
     let i2 ← index_array_borrow (Array.make U32 2#usize [ 0#u32, 0#u32 ])
     let i3 ← i1 + i2
     let s ←
-      Array.to_slice_shared U32 2#usize
-        (Array.make U32 2#usize [ 0#u32, 0#u32 ])
+      Array.to_slice U32 2#usize (Array.make U32 2#usize [ 0#u32, 0#u32 ])
     let i4 ← index_slice_u32_0 s
     let i5 ← i3 + i4
     let s0 ←
-      Array.to_slice_mut U32 2#usize (Array.make U32 2#usize [ 0#u32, 0#u32 ])
+      Array.to_slice U32 2#usize (Array.make U32 2#usize [ 0#u32, 0#u32 ])
     let i6 ← index_mut_slice_u32_0 s0
     let i7 ← i5 + i6
     let s1 ← index_mut_slice_u32_0_back s0
     let _ ←
-      Array.to_slice_mut_back U32 2#usize
-        (Array.make U32 2#usize [ 0#u32, 0#u32 ]) s1
+      Array.from_slice U32 2#usize (Array.make U32 2#usize [ 0#u32, 0#u32 ]) s1
     Result.ret i7
 
 /- [array::update_array]: forward function -/
 def update_array (x : Array U32 2#usize) : Result Unit :=
   do
-    let _ ← Array.index_mut_back U32 2#usize x 0#usize 1#u32
+    let _ ← Array.update_usize U32 2#usize x 0#usize 1#u32
     Result.ret ()
 
 /- [array::update_array_mut_borrow]: merged forward/backward function
    (there is a single backward function, and the forward function returns ()) -/
 def update_array_mut_borrow
   (x : Array U32 2#usize) : Result (Array U32 2#usize) :=
-  Array.index_mut_back U32 2#usize x 0#usize 1#u32
+  Array.update_usize U32 2#usize x 0#usize 1#u32
 
 /- [array::update_mut_slice]: merged forward/backward function
    (there is a single backward function, and the forward function returns ()) -/
 def update_mut_slice (x : Slice U32) : Result (Slice U32) :=
-  Slice.index_mut_back U32 x 0#usize 1#u32
+  Slice.update_usize U32 x 0#usize 1#u32
 
 /- [array::update_all]: forward function -/
 def update_all : Result Unit :=
   do
     let _ ← update_array (Array.make U32 2#usize [ 0#u32, 0#u32 ])
     let x ← update_array_mut_borrow (Array.make U32 2#usize [ 0#u32, 0#u32 ])
-    let s ← Array.to_slice_mut U32 2#usize x
+    let s ← Array.to_slice U32 2#usize x
     let s0 ← update_mut_slice s
-    let _ ← Array.to_slice_mut_back U32 2#usize x s0
+    let _ ← Array.from_slice U32 2#usize x s0
     Result.ret ()
 
 /- [array::range_all]: forward function -/
 def range_all : Result Unit :=
   do
     let s ←
-      core.array.Array.index_mut U32 (Range Usize) 4#usize
-        (core.slice.index.Slice.coreopsindexIndexMutInst U32 (Range Usize)
+      core.array.Array.index_mut U32 (core.ops.range.Range Usize) 4#usize
+        (core.slice.index.Slice.coreopsindexIndexMutInst U32
+        (core.ops.range.Range Usize)
         (core.slice.index.Range.coresliceindexSliceIndexInst U32))
         (Array.make U32 4#usize [ 0#u32, 0#u32, 0#u32, 0#u32 ])
         { start := 1#usize, end_ := 3#usize }
     let s0 ← update_mut_slice s
     let _ ←
-      core.array.Array.index_mut_back U32 (Range Usize) 4#usize
-        (core.slice.index.Slice.coreopsindexIndexMutInst U32 (Range Usize)
+      core.array.Array.index_mut_back U32 (core.ops.range.Range Usize) 4#usize
+        (core.slice.index.Slice.coreopsindexIndexMutInst U32
+        (core.ops.range.Range Usize)
         (core.slice.index.Range.coresliceindexSliceIndexInst U32))
         (Array.make U32 4#usize [ 0#u32, 0#u32, 0#u32, 0#u32 ])
         { start := 1#usize, end_ := 3#usize } s0
@@ -305,27 +301,27 @@ def range_all : Result Unit :=
 
 /- [array::deref_array_borrow]: forward function -/
 def deref_array_borrow (x : Array U32 2#usize) : Result U32 :=
-  Array.index_shared U32 2#usize x 0#usize
+  Array.index_usize U32 2#usize x 0#usize
 
 /- [array::deref_array_mut_borrow]: forward function -/
 def deref_array_mut_borrow (x : Array U32 2#usize) : Result U32 :=
-  Array.index_shared U32 2#usize x 0#usize
+  Array.index_usize U32 2#usize x 0#usize
 
 /- [array::deref_array_mut_borrow]: backward function 0 -/
 def deref_array_mut_borrow_back
   (x : Array U32 2#usize) : Result (Array U32 2#usize) :=
   do
-    let _ ← Array.index_shared U32 2#usize x 0#usize
+    let _ ← Array.index_usize U32 2#usize x 0#usize
     Result.ret x
 
 /- [array::take_array_t]: forward function -/
-def take_array_t (a : Array T 2#usize) : Result Unit :=
+def take_array_t (a : Array AB 2#usize) : Result Unit :=
   Result.ret ()
 
 /- [array::non_copyable_array]: forward function -/
 def non_copyable_array : Result Unit :=
   do
-    let _ ← take_array_t (Array.make T 2#usize [ T.A, T.B ])
+    let _ ← take_array_t (Array.make AB 2#usize [ AB.A, AB.B ])
     Result.ret ()
 
 /- [array::sum]: loop 0: forward function -/
@@ -334,7 +330,7 @@ divergent def sum_loop (s : Slice U32) (sum0 : U32) (i : Usize) : Result U32 :=
   if i < i0
   then
     do
-      let i1 ← Slice.index_shared U32 s i
+      let i1 ← Slice.index_usize U32 s i
       let sum1 ← sum0 + i1
       let i2 ← i + 1#usize
       sum_loop s sum1 i2
@@ -351,8 +347,8 @@ divergent def sum2_loop
   if i < i0
   then
     do
-      let i1 ← Slice.index_shared U32 s i
-      let i2 ← Slice.index_shared U32 s2 i
+      let i1 ← Slice.index_usize U32 s i
+      let i2 ← Slice.index_usize U32 s2 i
       let i3 ← i1 + i2
       let sum1 ← sum0 + i3
       let i4 ← i + 1#usize
@@ -371,19 +367,18 @@ def sum2 (s : Slice U32) (s2 : Slice U32) : Result U32 :=
 def f0 : Result Unit :=
   do
     let s ←
-      Array.to_slice_mut U32 2#usize (Array.make U32 2#usize [ 1#u32, 2#u32 ])
-    let s0 ← Slice.index_mut_back U32 s 0#usize 1#u32
+      Array.to_slice U32 2#usize (Array.make U32 2#usize [ 1#u32, 2#u32 ])
+    let s0 ← Slice.update_usize U32 s 0#usize 1#u32
     let _ ←
-      Array.to_slice_mut_back U32 2#usize
-        (Array.make U32 2#usize [ 1#u32, 2#u32 ]) s0
+      Array.from_slice U32 2#usize (Array.make U32 2#usize [ 1#u32, 2#u32 ]) s0
     Result.ret ()
 
 /- [array::f1]: forward function -/
 def f1 : Result Unit :=
   do
     let _ ←
-      Array.index_mut_back U32 2#usize
-        (Array.make U32 2#usize [ 1#u32, 2#u32 ]) 0#usize 1#u32
+      Array.update_usize U32 2#usize (Array.make U32 2#usize [ 1#u32, 2#u32 ])
+        0#usize 1#u32
     Result.ret ()
 
 /- [array::f2]: forward function -/
@@ -392,22 +387,21 @@ def f2 (i : U32) : Result Unit :=
 
 /- [array::f4]: forward function -/
 def f4 (x : Array U32 32#usize) (y : Usize) (z : Usize) : Result (Slice U32) :=
-  core.array.Array.index U32 (Range Usize) 32#usize
-    (core.slice.index.Slice.coreopsindexIndexInst U32 (Range Usize)
-    (core.slice.index.Range.coresliceindexSliceIndexInst U32)) x
+  core.array.Array.index U32 (core.ops.range.Range Usize) 32#usize
+    (core.slice.index.Slice.coreopsindexIndexInst U32 (core.ops.range.Range
+    Usize) (core.slice.index.Range.coresliceindexSliceIndexInst U32)) x
     { start := y, end_ := z }
 
 /- [array::f3]: forward function -/
 def f3 : Result U32 :=
   do
     let i ←
-      Array.index_shared U32 2#usize (Array.make U32 2#usize [ 1#u32, 2#u32 ])
+      Array.index_usize U32 2#usize (Array.make U32 2#usize [ 1#u32, 2#u32 ])
         0#usize
     let _ ← f2 i
     let b := Array.repeat U32 32#usize 0#u32
     let s ←
-      Array.to_slice_shared U32 2#usize
-        (Array.make U32 2#usize [ 1#u32, 2#u32 ])
+      Array.to_slice U32 2#usize (Array.make U32 2#usize [ 1#u32, 2#u32 ])
     let s0 ← f4 b 16#usize 18#usize
     sum2 s s0
 
@@ -417,23 +411,21 @@ def sz_c : Usize := eval_global sz_body (by simp)
 
 /- [array::f5]: forward function -/
 def f5 (x : Array U32 32#usize) : Result U32 :=
-  Array.index_shared U32 32#usize x 0#usize
+  Array.index_usize U32 32#usize x 0#usize
 
 /- [array::ite]: forward function -/
 def ite : Result Unit :=
   do
     let s ←
-      Array.to_slice_mut U32 2#usize (Array.make U32 2#usize [ 0#u32, 0#u32 ])
+      Array.to_slice U32 2#usize (Array.make U32 2#usize [ 0#u32, 0#u32 ])
     let s0 ←
-      Array.to_slice_mut U32 2#usize (Array.make U32 2#usize [ 0#u32, 0#u32 ])
+      Array.to_slice U32 2#usize (Array.make U32 2#usize [ 0#u32, 0#u32 ])
     let s1 ← index_mut_slice_u32_0_back s0
     let _ ←
-      Array.to_slice_mut_back U32 2#usize
-        (Array.make U32 2#usize [ 0#u32, 0#u32 ]) s1
+      Array.from_slice U32 2#usize (Array.make U32 2#usize [ 0#u32, 0#u32 ]) s1
     let s2 ← index_mut_slice_u32_0_back s
     let _ ←
-      Array.to_slice_mut_back U32 2#usize
-        (Array.make U32 2#usize [ 0#u32, 0#u32 ]) s2
+      Array.from_slice U32 2#usize (Array.make U32 2#usize [ 0#u32, 0#u32 ]) s2
     Result.ret ()
 
 end array
diff --git a/tests/lean/Array/Types.lean b/tests/lean/Array/Types.lean
index 72241276..60fa81ab 100644
--- a/tests/lean/Array/Types.lean
+++ b/tests/lean/Array/Types.lean
@@ -5,9 +5,9 @@ open Primitives
 
 namespace array
 
-/- [array::T] -/
-inductive T :=
-| A : T
-| B : T
+/- [array::AB] -/
+inductive AB :=
+| A : AB
+| B : AB
 
 end array
-- 
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