Merge branch 'main' into afromher_shifts

3 files changed, 676 insertions, 202 deletions

diff --git a/tests/lean/Array.lean b/tests/lean/Array.lean
index 277b63d9..25dad3cf 100644
--- a/tests/lean/Array.lean
+++ b/tests/lean/Array.lean
@@ -1 +1,509 @@
-import Array.Funs
+-- THIS FILE WAS AUTOMATICALLY GENERATED BY AENEAS
+-- [array]
+import Base
+open Primitives
+
+namespace array
+
+/- [array::AB]
+   Source: 'src/array.rs', lines 3:0-3:11 -/
+inductive AB :=
+| A : AB
+| B : AB
+
+/- [array::incr]: merged forward/backward function
+   (there is a single backward function, and the forward function returns ())
+   Source: 'src/array.rs', lines 8:0-8:24 -/
+def incr (x : U32) : Result U32 :=
+  x + 1#u32
+
+/- [array::array_to_shared_slice_]: forward function
+   Source: 'src/array.rs', lines 16:0-16:53 -/
+def array_to_shared_slice_
+  (T : Type) (s : Array T 32#usize) : Result (Slice T) :=
+  Array.to_slice T 32#usize s
+
+/- [array::array_to_mut_slice_]: forward function
+   Source: 'src/array.rs', lines 21:0-21:58 -/
+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
+   Source: 'src/array.rs', lines 21:0-21:58 -/
+def array_to_mut_slice__back
+  (T : Type) (s : Array T 32#usize) (ret : Slice T) :
+  Result (Array T 32#usize)
+  :=
+  Array.from_slice T 32#usize s ret
+
+/- [array::array_len]: forward function
+   Source: 'src/array.rs', lines 25:0-25:40 -/
+def array_len (T : Type) (s : Array T 32#usize) : Result Usize :=
+  do
+    let s0 ← Array.to_slice T 32#usize s
+    let i := Slice.len T s0
+    Result.ret i
+
+/- [array::shared_array_len]: forward function
+   Source: 'src/array.rs', lines 29:0-29:48 -/
+def shared_array_len (T : Type) (s : Array T 32#usize) : Result Usize :=
+  do
+    let s0 ← Array.to_slice T 32#usize s
+    let i := Slice.len T s0
+    Result.ret i
+
+/- [array::shared_slice_len]: forward function
+   Source: 'src/array.rs', lines 33:0-33:44 -/
+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
+   Source: 'src/array.rs', lines 37:0-37:57 -/
+def index_array_shared
+  (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
+   Source: 'src/array.rs', lines 44:0-44:53 -/
+def index_array_u32 (s : Array U32 32#usize) (i : Usize) : Result U32 :=
+  Array.index_usize U32 32#usize s i
+
+/- [array::index_array_copy]: forward function
+   Source: 'src/array.rs', lines 48:0-48:45 -/
+def index_array_copy (x : Array U32 32#usize) : Result U32 :=
+  Array.index_usize U32 32#usize x 0#usize
+
+/- [array::index_mut_array]: forward function
+   Source: 'src/array.rs', lines 52:0-52:62 -/
+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
+   Source: 'src/array.rs', lines 52:0-52:62 -/
+def index_mut_array_back
+  (T : Type) (s : Array T 32#usize) (i : Usize) (ret : T) :
+  Result (Array T 32#usize)
+  :=
+  Array.update_usize T 32#usize s i ret
+
+/- [array::index_slice]: forward function
+   Source: 'src/array.rs', lines 56:0-56:46 -/
+def index_slice (T : Type) (s : Slice T) (i : Usize) : Result T :=
+  Slice.index_usize T s i
+
+/- [array::index_mut_slice]: forward function
+   Source: 'src/array.rs', lines 60:0-60:58 -/
+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
+   Source: 'src/array.rs', lines 60:0-60:58 -/
+def index_mut_slice_back
+  (T : Type) (s : Slice T) (i : Usize) (ret : T) : Result (Slice T) :=
+  Slice.update_usize T s i ret
+
+/- [array::slice_subslice_shared_]: forward function
+   Source: 'src/array.rs', lines 64:0-64:70 -/
+def slice_subslice_shared_
+  (x : Slice U32) (y : Usize) (z : Usize) : Result (Slice U32) :=
+  core.slice.index.Slice.index U32 (core.ops.range.Range Usize)
+    (core.slice.index.SliceIndexRangeUsizeSliceTInst U32) x
+    { start := y, end_ := z }
+
+/- [array::slice_subslice_mut_]: forward function
+   Source: 'src/array.rs', lines 68:0-68:75 -/
+def slice_subslice_mut_
+  (x : Slice U32) (y : Usize) (z : Usize) : Result (Slice U32) :=
+  core.slice.index.Slice.index_mut U32 (core.ops.range.Range Usize)
+    (core.slice.index.SliceIndexRangeUsizeSliceTInst U32) x
+    { start := y, end_ := z }
+
+/- [array::slice_subslice_mut_]: backward function 0
+   Source: 'src/array.rs', lines 68:0-68:75 -/
+def slice_subslice_mut__back
+  (x : Slice U32) (y : Usize) (z : Usize) (ret : Slice U32) :
+  Result (Slice U32)
+  :=
+  core.slice.index.Slice.index_mut_back U32 (core.ops.range.Range Usize)
+    (core.slice.index.SliceIndexRangeUsizeSliceTInst U32) x
+    { start := y, end_ := z } ret
+
+/- [array::array_to_slice_shared_]: forward function
+   Source: 'src/array.rs', lines 72:0-72:54 -/
+def array_to_slice_shared_ (x : Array U32 32#usize) : Result (Slice U32) :=
+  Array.to_slice U32 32#usize x
+
+/- [array::array_to_slice_mut_]: forward function
+   Source: 'src/array.rs', lines 76:0-76:59 -/
+def array_to_slice_mut_ (x : Array U32 32#usize) : Result (Slice U32) :=
+  Array.to_slice U32 32#usize x
+
+/- [array::array_to_slice_mut_]: backward function 0
+   Source: 'src/array.rs', lines 76:0-76:59 -/
+def array_to_slice_mut__back
+  (x : Array U32 32#usize) (ret : Slice U32) : Result (Array U32 32#usize) :=
+  Array.from_slice U32 32#usize x ret
+
+/- [array::array_subslice_shared_]: forward function
+   Source: 'src/array.rs', lines 80:0-80:74 -/
+def array_subslice_shared_
+  (x : Array U32 32#usize) (y : Usize) (z : Usize) : Result (Slice U32) :=
+  core.array.Array.index U32 (core.ops.range.Range Usize) 32#usize
+    (core.ops.index.IndexSliceTIInst U32 (core.ops.range.Range Usize)
+    (core.slice.index.SliceIndexRangeUsizeSliceTInst U32)) x
+    { start := y, end_ := z }
+
+/- [array::array_subslice_mut_]: forward function
+   Source: 'src/array.rs', lines 84:0-84:79 -/
+def array_subslice_mut_
+  (x : Array U32 32#usize) (y : Usize) (z : Usize) : Result (Slice U32) :=
+  core.array.Array.index_mut U32 (core.ops.range.Range Usize) 32#usize
+    (core.ops.index.IndexMutSliceTIInst U32 (core.ops.range.Range Usize)
+    (core.slice.index.SliceIndexRangeUsizeSliceTInst U32)) x
+    { start := y, end_ := z }
+
+/- [array::array_subslice_mut_]: backward function 0
+   Source: 'src/array.rs', lines 84:0-84:79 -/
+def array_subslice_mut__back
+  (x : Array U32 32#usize) (y : Usize) (z : Usize) (ret : Slice U32) :
+  Result (Array U32 32#usize)
+  :=
+  core.array.Array.index_mut_back U32 (core.ops.range.Range Usize) 32#usize
+    (core.ops.index.IndexMutSliceTIInst U32 (core.ops.range.Range Usize)
+    (core.slice.index.SliceIndexRangeUsizeSliceTInst U32)) x
+    { start := y, end_ := z } ret
+
+/- [array::index_slice_0]: forward function
+   Source: 'src/array.rs', lines 88:0-88:38 -/
+def index_slice_0 (T : Type) (s : Slice T) : Result T :=
+  Slice.index_usize T s 0#usize
+
+/- [array::index_array_0]: forward function
+   Source: 'src/array.rs', lines 92:0-92:42 -/
+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
+   Source: 'src/array.rs', lines 103:0-103:71 -/
+def index_index_array
+  (s : Array (Array U32 32#usize) 32#usize) (i : Usize) (j : Usize) :
+  Result U32
+  :=
+  do
+    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
+   Source: 'src/array.rs', lines 114:0-114:70 -/
+def update_update_array
+  (s : Array (Array U32 32#usize) 32#usize) (i : Usize) (j : Usize) :
+  Result Unit
+  :=
+  do
+    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
+   Source: 'src/array.rs', lines 118:0-118:43 -/
+def array_local_deep_copy (x : Array U32 32#usize) : Result Unit :=
+  Result.ret ()
+
+/- [array::take_array]: forward function
+   Source: 'src/array.rs', lines 122:0-122:30 -/
+def take_array (a : Array U32 2#usize) : Result Unit :=
+  Result.ret ()
+
+/- [array::take_array_borrow]: forward function
+   Source: 'src/array.rs', lines 123:0-123:38 -/
+def take_array_borrow (a : Array U32 2#usize) : Result Unit :=
+  Result.ret ()
+
+/- [array::take_slice]: forward function
+   Source: 'src/array.rs', lines 124:0-124:28 -/
+def take_slice (s : Slice U32) : Result Unit :=
+  Result.ret ()
+
+/- [array::take_mut_slice]: merged forward/backward function
+   (there is a single backward function, and the forward function returns ())
+   Source: 'src/array.rs', lines 125:0-125:36 -/
+def take_mut_slice (s : Slice U32) : Result (Slice U32) :=
+  Result.ret s
+
+/- [array::const_array]: forward function
+   Source: 'src/array.rs', lines 127:0-127:32 -/
+def const_array : Result (Array U32 2#usize) :=
+  Result.ret (Array.make U32 2#usize [ 0#u32, 0#u32 ])
+
+/- [array::const_slice]: forward function
+   Source: 'src/array.rs', lines 131:0-131:20 -/
+def const_slice : Result Unit :=
+  do
+    let _ ←
+      Array.to_slice U32 2#usize (Array.make U32 2#usize [ 0#u32, 0#u32 ])
+    Result.ret ()
+
+/- [array::take_all]: forward function
+   Source: 'src/array.rs', lines 141:0-141:17 -/
+def take_all : Result Unit :=
+  do
+    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 U32 2#usize (Array.make U32 2#usize [ 0#u32, 0#u32 ])
+    let _ ← take_slice s
+    let s0 ←
+      Array.to_slice U32 2#usize (Array.make U32 2#usize [ 0#u32, 0#u32 ])
+    let s1 ← take_mut_slice s0
+    let _ ←
+      Array.from_slice U32 2#usize (Array.make U32 2#usize [ 0#u32, 0#u32 ]) s1
+    Result.ret ()
+
+/- [array::index_array]: forward function
+   Source: 'src/array.rs', lines 155:0-155:38 -/
+def index_array (x : Array U32 2#usize) : Result U32 :=
+  Array.index_usize U32 2#usize x 0#usize
+
+/- [array::index_array_borrow]: forward function
+   Source: 'src/array.rs', lines 158:0-158:46 -/
+def index_array_borrow (x : Array U32 2#usize) : Result U32 :=
+  Array.index_usize U32 2#usize x 0#usize
+
+/- [array::index_slice_u32_0]: forward function
+   Source: 'src/array.rs', lines 162:0-162:42 -/
+def index_slice_u32_0 (x : Slice U32) : Result U32 :=
+  Slice.index_usize U32 x 0#usize
+
+/- [array::index_mut_slice_u32_0]: forward function
+   Source: 'src/array.rs', lines 166:0-166:50 -/
+def index_mut_slice_u32_0 (x : Slice U32) : Result U32 :=
+  Slice.index_usize U32 x 0#usize
+
+/- [array::index_mut_slice_u32_0]: backward function 0
+   Source: 'src/array.rs', lines 166:0-166:50 -/
+def index_mut_slice_u32_0_back (x : Slice U32) : Result (Slice U32) :=
+  do
+    let _ ← Slice.index_usize U32 x 0#usize
+    Result.ret x
+
+/- [array::index_all]: forward function
+   Source: 'src/array.rs', lines 170:0-170:25 -/
+def index_all : Result U32 :=
+  do
+    let i ← index_array (Array.make U32 2#usize [ 0#u32, 0#u32 ])
+    let i0 ← index_array (Array.make U32 2#usize [ 0#u32, 0#u32 ])
+    let i1 ← i + i0
+    let i2 ← index_array_borrow (Array.make U32 2#usize [ 0#u32, 0#u32 ])
+    let i3 ← i1 + i2
+    let s ←
+      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 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.from_slice U32 2#usize (Array.make U32 2#usize [ 0#u32, 0#u32 ]) s1
+    Result.ret i7
+
+/- [array::update_array]: forward function
+   Source: 'src/array.rs', lines 184:0-184:36 -/
+def update_array (x : Array U32 2#usize) : Result Unit :=
+  do
+    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 ())
+   Source: 'src/array.rs', lines 187:0-187:48 -/
+def update_array_mut_borrow
+  (x : Array U32 2#usize) : Result (Array U32 2#usize) :=
+  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 ())
+   Source: 'src/array.rs', lines 190:0-190:38 -/
+def update_mut_slice (x : Slice U32) : Result (Slice U32) :=
+  Slice.update_usize U32 x 0#usize 1#u32
+
+/- [array::update_all]: forward function
+   Source: 'src/array.rs', lines 194:0-194:19 -/
+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 U32 2#usize x
+    let s0 ← update_mut_slice s
+    let _ ← Array.from_slice U32 2#usize x s0
+    Result.ret ()
+
+/- [array::range_all]: forward function
+   Source: 'src/array.rs', lines 205:0-205:18 -/
+def range_all : Result Unit :=
+  do
+    let s ←
+      core.array.Array.index_mut U32 (core.ops.range.Range Usize) 4#usize
+        (core.ops.index.IndexMutSliceTIInst U32 (core.ops.range.Range Usize)
+        (core.slice.index.SliceIndexRangeUsizeSliceTInst 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 (core.ops.range.Range Usize) 4#usize
+        (core.ops.index.IndexMutSliceTIInst U32 (core.ops.range.Range Usize)
+        (core.slice.index.SliceIndexRangeUsizeSliceTInst U32))
+        (Array.make U32 4#usize [ 0#u32, 0#u32, 0#u32, 0#u32 ])
+        { start := 1#usize, end_ := 3#usize } s0
+    Result.ret ()
+
+/- [array::deref_array_borrow]: forward function
+   Source: 'src/array.rs', lines 214:0-214:46 -/
+def deref_array_borrow (x : Array U32 2#usize) : Result U32 :=
+  Array.index_usize U32 2#usize x 0#usize
+
+/- [array::deref_array_mut_borrow]: forward function
+   Source: 'src/array.rs', lines 219:0-219:54 -/
+def deref_array_mut_borrow (x : Array U32 2#usize) : Result U32 :=
+  Array.index_usize U32 2#usize x 0#usize
+
+/- [array::deref_array_mut_borrow]: backward function 0
+   Source: 'src/array.rs', lines 219:0-219:54 -/
+def deref_array_mut_borrow_back
+  (x : Array U32 2#usize) : Result (Array U32 2#usize) :=
+  do
+    let _ ← Array.index_usize U32 2#usize x 0#usize
+    Result.ret x
+
+/- [array::take_array_t]: forward function
+   Source: 'src/array.rs', lines 227:0-227:31 -/
+def take_array_t (a : Array AB 2#usize) : Result Unit :=
+  Result.ret ()
+
+/- [array::non_copyable_array]: forward function
+   Source: 'src/array.rs', lines 229:0-229:27 -/
+def non_copyable_array : Result Unit :=
+  do
+    let _ ← take_array_t (Array.make AB 2#usize [ AB.A, AB.B ])
+    Result.ret ()
+
+/- [array::sum]: loop 0: forward function
+   Source: 'src/array.rs', lines 242:0-250:1 -/
+divergent def sum_loop (s : Slice U32) (sum0 : U32) (i : Usize) : Result U32 :=
+  let i0 := Slice.len U32 s
+  if i < i0
+  then
+    do
+      let i1 ← Slice.index_usize U32 s i
+      let sum1 ← sum0 + i1
+      let i2 ← i + 1#usize
+      sum_loop s sum1 i2
+  else Result.ret sum0
+
+/- [array::sum]: forward function
+   Source: 'src/array.rs', lines 242:0-242:28 -/
+def sum (s : Slice U32) : Result U32 :=
+  sum_loop s 0#u32 0#usize
+
+/- [array::sum2]: loop 0: forward function
+   Source: 'src/array.rs', lines 252:0-261:1 -/
+divergent def sum2_loop
+  (s : Slice U32) (s2 : Slice U32) (sum0 : U32) (i : Usize) : Result U32 :=
+  let i0 := Slice.len U32 s
+  if i < i0
+  then
+    do
+      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
+      sum2_loop s s2 sum1 i4
+  else Result.ret sum0
+
+/- [array::sum2]: forward function
+   Source: 'src/array.rs', lines 252:0-252:41 -/
+def sum2 (s : Slice U32) (s2 : Slice U32) : Result U32 :=
+  let i := Slice.len U32 s
+  let i0 := Slice.len U32 s2
+  if not (i = i0)
+  then Result.fail .panic
+  else sum2_loop s s2 0#u32 0#usize
+
+/- [array::f0]: forward function
+   Source: 'src/array.rs', lines 263:0-263:11 -/
+def f0 : Result Unit :=
+  do
+    let s ←
+      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.from_slice U32 2#usize (Array.make U32 2#usize [ 1#u32, 2#u32 ]) s0
+    Result.ret ()
+
+/- [array::f1]: forward function
+   Source: 'src/array.rs', lines 268:0-268:11 -/
+def f1 : Result Unit :=
+  do
+    let _ ←
+      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
+   Source: 'src/array.rs', lines 273:0-273:17 -/
+def f2 (i : U32) : Result Unit :=
+  Result.ret ()
+
+/- [array::f4]: forward function
+   Source: 'src/array.rs', lines 282:0-282:54 -/
+def f4 (x : Array U32 32#usize) (y : Usize) (z : Usize) : Result (Slice U32) :=
+  core.array.Array.index U32 (core.ops.range.Range Usize) 32#usize
+    (core.ops.index.IndexSliceTIInst U32 (core.ops.range.Range Usize)
+    (core.slice.index.SliceIndexRangeUsizeSliceTInst U32)) x
+    { start := y, end_ := z }
+
+/- [array::f3]: forward function
+   Source: 'src/array.rs', lines 275:0-275:18 -/
+def f3 : Result U32 :=
+  do
+    let i ←
+      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 U32 2#usize (Array.make U32 2#usize [ 1#u32, 2#u32 ])
+    let s0 ← f4 b 16#usize 18#usize
+    sum2 s s0
+
+/- [array::SZ]
+   Source: 'src/array.rs', lines 286:0-286:19 -/
+def sz_body : Result Usize := Result.ret 32#usize
+def sz_c : Usize := eval_global sz_body (by simp)
+
+/- [array::f5]: forward function
+   Source: 'src/array.rs', lines 289:0-289:31 -/
+def f5 (x : Array U32 32#usize) : Result U32 :=
+  Array.index_usize U32 32#usize x 0#usize
+
+/- [array::ite]: forward function
+   Source: 'src/array.rs', lines 294:0-294:12 -/
+def ite : Result Unit :=
+  do
+    let s ←
+      Array.to_slice U32 2#usize (Array.make U32 2#usize [ 0#u32, 0#u32 ])
+    let s0 ←
+      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.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.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/Funs.lean b/tests/lean/Array/Funs.lean
index ad737dca..32ae6248 100644
--- a/tests/lean/Array/Funs.lean
+++ b/tests/lean/Array/Funs.lean
@@ -6,189 +6,183 @@ open Primitives
 
 namespace array
 
+/- [array::incr]: merged forward/backward function
+   (there is a single backward function, and the forward function returns ()) -/
+def incr (x : U32) : Result U32 :=
+  x + 1#u32
+
 /- [array::array_to_shared_slice_]: forward function -/
 def array_to_shared_slice_
-  (T0 : Type) (s : Array T0 (Usize.ofInt 32)) : Result (Slice T0) :=
-  Array.to_slice_shared T0 (Usize.ofInt 32) 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 (Usize.ofInt 32)) : Result (Slice T0) :=
-  Array.to_slice_mut T0 (Usize.ofInt 32) 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 (Usize.ofInt 32)) (ret0 : Slice T0) :
-  Result (Array T0 (Usize.ofInt 32))
+  (T : Type) (s : Array T 32#usize) (ret0 : Slice T) :
+  Result (Array T 32#usize)
   :=
-  Array.to_slice_mut_back T0 (Usize.ofInt 32) s ret0
+  Array.from_slice T 32#usize s ret0
 
 /- [array::array_len]: forward function -/
-def array_len (T0 : Type) (s : Array T0 (Usize.ofInt 32)) : Result Usize :=
+def array_len (T : Type) (s : Array T 32#usize) : Result Usize :=
   do
-    let s0 ← Array.to_slice_shared T0 (Usize.ofInt 32) 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 (Usize.ofInt 32)) : Result Usize :=
+def shared_array_len (T : Type) (s : Array T 32#usize) : Result Usize :=
   do
-    let s0 ← Array.to_slice_shared T0 (Usize.ofInt 32) 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 (Usize.ofInt 32)) (i : Usize) : Result T0 :=
-  Array.index_shared T0 (Usize.ofInt 32) 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 (Usize.ofInt 32)) (i : Usize) : Result U32 :=
-  Array.index_shared U32 (Usize.ofInt 32) s i
-
-/- [array::index_array_generic]: forward function -/
-def index_array_generic
-  (N : Usize) (s : Array U32 N) (i : Usize) : Result U32 :=
-  Array.index_shared U32 N s i
-
-/- [array::index_array_generic_call]: forward function -/
-def index_array_generic_call
-  (N : Usize) (s : Array U32 N) (i : Usize) : Result U32 :=
-  index_array_generic N s i
+def index_array_u32 (s : Array U32 32#usize) (i : Usize) : Result U32 :=
+  Array.index_usize U32 32#usize s i
 
 /- [array::index_array_copy]: forward function -/
-def index_array_copy (x : Array U32 (Usize.ofInt 32)) : Result U32 :=
-  Array.index_shared U32 (Usize.ofInt 32) x (Usize.ofInt 0)
+def index_array_copy (x : Array U32 32#usize) : Result U32 :=
+  Array.index_usize U32 32#usize x 0#usize
 
 /- [array::index_mut_array]: forward function -/
-def index_mut_array
-  (T0 : Type) (s : Array T0 (Usize.ofInt 32)) (i : Usize) : Result T0 :=
-  Array.index_mut T0 (Usize.ofInt 32) 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 (Usize.ofInt 32)) (i : Usize) (ret0 : T0) :
-  Result (Array T0 (Usize.ofInt 32))
+  (T : Type) (s : Array T 32#usize) (i : Usize) (ret0 : T) :
+  Result (Array T 32#usize)
   :=
-  Array.index_mut_back T0 (Usize.ofInt 32) 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) :=
-  Slice.subslice_shared U32 x (Range.mk y z)
+  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) :=
-  Slice.subslice_mut U32 x (Range.mk y z)
+  core.slice.index.Slice.index_mut U32 (core.ops.range.Range Usize)
+    (core.slice.index.Range.coresliceindexSliceIndexInst U32) x
+    { start := y, end_ := z }
 
 /- [array::slice_subslice_mut_]: backward function 0 -/
 def slice_subslice_mut__back
   (x : Slice U32) (y : Usize) (z : Usize) (ret0 : Slice U32) :
   Result (Slice U32)
   :=
-  Slice.subslice_mut_back U32 x (Range.mk y z) ret0
+  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 (Usize.ofInt 32)) : Result (Slice U32) :=
-  Array.to_slice_shared U32 (Usize.ofInt 32) x
+def array_to_slice_shared_ (x : Array U32 32#usize) : Result (Slice U32) :=
+  Array.to_slice U32 32#usize x
 
 /- [array::array_to_slice_mut_]: forward function -/
-def array_to_slice_mut_
-  (x : Array U32 (Usize.ofInt 32)) : Result (Slice U32) :=
-  Array.to_slice_mut U32 (Usize.ofInt 32) x
+def array_to_slice_mut_ (x : Array U32 32#usize) : Result (Slice U32) :=
+  Array.to_slice U32 32#usize x
 
 /- [array::array_to_slice_mut_]: backward function 0 -/
 def array_to_slice_mut__back
-  (x : Array U32 (Usize.ofInt 32)) (ret0 : Slice U32) :
-  Result (Array U32 (Usize.ofInt 32))
-  :=
-  Array.to_slice_mut_back U32 (Usize.ofInt 32) x ret0
+  (x : Array U32 32#usize) (ret0 : Slice U32) : Result (Array U32 32#usize) :=
+  Array.from_slice U32 32#usize x ret0
 
 /- [array::array_subslice_shared_]: forward function -/
 def array_subslice_shared_
-  (x : Array U32 (Usize.ofInt 32)) (y : Usize) (z : Usize) :
-  Result (Slice U32)
-  :=
-  Array.subslice_shared U32 (Usize.ofInt 32) x (Range.mk y z)
+  (x : Array U32 32#usize) (y : Usize) (z : Usize) : Result (Slice U32) :=
+  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 (Usize.ofInt 32)) (y : Usize) (z : Usize) :
-  Result (Slice U32)
-  :=
-  Array.subslice_mut U32 (Usize.ofInt 32) x (Range.mk y z)
+  (x : Array U32 32#usize) (y : Usize) (z : Usize) : Result (Slice U32) :=
+  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 -/
 def array_subslice_mut__back
-  (x : Array U32 (Usize.ofInt 32)) (y : Usize) (z : Usize) (ret0 : Slice U32) :
-  Result (Array U32 (Usize.ofInt 32))
+  (x : Array U32 32#usize) (y : Usize) (z : Usize) (ret0 : Slice U32) :
+  Result (Array U32 32#usize)
   :=
-  Array.subslice_mut_back U32 (Usize.ofInt 32) x (Range.mk y z) ret0
+  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 (Usize.ofInt 0)
+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 (Usize.ofInt 32)) : Result T0 :=
-  Array.index_shared T0 (Usize.ofInt 32) s (Usize.ofInt 0)
+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
-  (s : Array (Array U32 (Usize.ofInt 32)) (Usize.ofInt 32)) (i : Usize)
-  (j : Usize) :
+  (s : Array (Array U32 32#usize) 32#usize) (i : Usize) (j : Usize) :
   Result U32
   :=
   do
-    let a ←
-      Array.index_shared (Array U32 (Usize.ofInt 32)) (Usize.ofInt 32) s i
-    Array.index_shared U32 (Usize.ofInt 32) 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
-  (s : Array (Array U32 (Usize.ofInt 32)) (Usize.ofInt 32)) (i : Usize)
-  (j : Usize) :
+  (s : Array (Array U32 32#usize) 32#usize) (i : Usize) (j : Usize) :
   Result Unit
   :=
   do
-    let a ← Array.index_mut (Array U32 (Usize.ofInt 32)) (Usize.ofInt 32) s i
-    let a0 ← Array.index_mut_back U32 (Usize.ofInt 32) a j (U32.ofInt 0)
-    let _ ←
-      Array.index_mut_back (Array U32 (Usize.ofInt 32)) (Usize.ofInt 32) 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 -/
-def array_local_deep_copy (x : Array U32 (Usize.ofInt 32)) : Result Unit :=
+def array_local_deep_copy (x : Array U32 32#usize) : Result Unit :=
   Result.ret ()
 
 /- [array::take_array]: forward function -/
-def take_array (a : Array U32 (Usize.ofInt 2)) : Result Unit :=
+def take_array (a : Array U32 2#usize) : Result Unit :=
   Result.ret ()
 
 /- [array::take_array_borrow]: forward function -/
-def take_array_borrow (a : Array U32 (Usize.ofInt 2)) : Result Unit :=
+def take_array_borrow (a : Array U32 2#usize) : Result Unit :=
   Result.ret ()
 
 /- [array::take_slice]: forward function -/
@@ -203,148 +197,131 @@ def take_mut_slice (s : Slice U32) : Result (Slice U32) :=
 /- [array::take_all]: forward function -/
 def take_all : Result Unit :=
   do
-    let _ ←
-      take_array
-        (Array.make U32 (Usize.ofInt 2) [ (U32.ofInt 0), (U32.ofInt 0) ])
-    let _ ←
-      take_array_borrow
-        (Array.make U32 (Usize.ofInt 2) [ (U32.ofInt 0), (U32.ofInt 0) ])
+    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 (Usize.ofInt 2)
-        (Array.make U32 (Usize.ofInt 2) [ (U32.ofInt 0), (U32.ofInt 0) ])
+      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 (Usize.ofInt 2)
-        (Array.make U32 (Usize.ofInt 2) [ (U32.ofInt 0), (U32.ofInt 0) ])
+      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 (Usize.ofInt 2)
-        (Array.make U32 (Usize.ofInt 2) [ (U32.ofInt 0), (U32.ofInt 0) ]) 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 (Usize.ofInt 2)) : Result U32 :=
-  Array.index_shared U32 (Usize.ofInt 2) x (Usize.ofInt 0)
+def index_array (x : Array U32 2#usize) : Result U32 :=
+  Array.index_usize U32 2#usize x 0#usize
 
 /- [array::index_array_borrow]: forward function -/
-def index_array_borrow (x : Array U32 (Usize.ofInt 2)) : Result U32 :=
-  Array.index_shared U32 (Usize.ofInt 2) x (Usize.ofInt 0)
+def index_array_borrow (x : Array U32 2#usize) : Result U32 :=
+  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 (Usize.ofInt 0)
+  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 (Usize.ofInt 0)
+  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 (Usize.ofInt 0)
+    let _ ← Slice.index_usize U32 x 0#usize
     Result.ret x
 
 /- [array::index_all]: forward function -/
 def index_all : Result U32 :=
   do
-    let i ←
-      index_array
-        (Array.make U32 (Usize.ofInt 2) [ (U32.ofInt 0), (U32.ofInt 0) ])
-    let i0 ←
-      index_array
-        (Array.make U32 (Usize.ofInt 2) [ (U32.ofInt 0), (U32.ofInt 0) ])
+    let i ← index_array (Array.make U32 2#usize [ 0#u32, 0#u32 ])
+    let i0 ← index_array (Array.make U32 2#usize [ 0#u32, 0#u32 ])
     let i1 ← i + i0
-    let i2 ←
-      index_array_borrow
-        (Array.make U32 (Usize.ofInt 2) [ (U32.ofInt 0), (U32.ofInt 0) ])
+    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 (Usize.ofInt 2)
-        (Array.make U32 (Usize.ofInt 2) [ (U32.ofInt 0), (U32.ofInt 0) ])
+      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 (Usize.ofInt 2)
-        (Array.make U32 (Usize.ofInt 2) [ (U32.ofInt 0), (U32.ofInt 0) ])
+      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 (Usize.ofInt 2)
-        (Array.make U32 (Usize.ofInt 2) [ (U32.ofInt 0), (U32.ofInt 0) ]) 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 (Usize.ofInt 2)) : Result Unit :=
+def update_array (x : Array U32 2#usize) : Result Unit :=
   do
-    let _ ←
-      Array.index_mut_back U32 (Usize.ofInt 2) x (Usize.ofInt 0) (U32.ofInt 1)
+    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 (Usize.ofInt 2)) : Result (Array U32 (Usize.ofInt 2)) :=
-  Array.index_mut_back U32 (Usize.ofInt 2) x (Usize.ofInt 0) (U32.ofInt 1)
+  (x : Array U32 2#usize) : Result (Array U32 2#usize) :=
+  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 (Usize.ofInt 0) (U32.ofInt 1)
+  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 (Usize.ofInt 2) [ (U32.ofInt 0), (U32.ofInt 0) ])
-    let x ←
-      update_array_mut_borrow
-        (Array.make U32 (Usize.ofInt 2) [ (U32.ofInt 0), (U32.ofInt 0) ])
-    let s ← Array.to_slice_mut U32 (Usize.ofInt 2) x
+    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 U32 2#usize x
     let s0 ← update_mut_slice s
-    let _ ← Array.to_slice_mut_back U32 (Usize.ofInt 2) 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 ←
-      Array.subslice_mut U32 (Usize.ofInt 4)
-        (Array.make U32 (Usize.ofInt 4) [
-          (U32.ofInt 0), (U32.ofInt 0), (U32.ofInt 0), (U32.ofInt 0)
-          ]) (Range.mk (Usize.ofInt 1) (Usize.ofInt 3))
+      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 _ ←
-      Array.subslice_mut_back U32 (Usize.ofInt 4)
-        (Array.make U32 (Usize.ofInt 4) [
-          (U32.ofInt 0), (U32.ofInt 0), (U32.ofInt 0), (U32.ofInt 0)
-          ]) (Range.mk (Usize.ofInt 1) (Usize.ofInt 3)) s0
+      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
     Result.ret ()
 
 /- [array::deref_array_borrow]: forward function -/
-def deref_array_borrow (x : Array U32 (Usize.ofInt 2)) : Result U32 :=
-  Array.index_shared U32 (Usize.ofInt 2) x (Usize.ofInt 0)
+def deref_array_borrow (x : Array U32 2#usize) : Result U32 :=
+  Array.index_usize U32 2#usize x 0#usize
 
 /- [array::deref_array_mut_borrow]: forward function -/
-def deref_array_mut_borrow (x : Array U32 (Usize.ofInt 2)) : Result U32 :=
-  Array.index_shared U32 (Usize.ofInt 2) x (Usize.ofInt 0)
+def deref_array_mut_borrow (x : Array U32 2#usize) : Result U32 :=
+  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 (Usize.ofInt 2)) : Result (Array U32 (Usize.ofInt 2)) :=
+  (x : Array U32 2#usize) : Result (Array U32 2#usize) :=
   do
-    let _ ← Array.index_shared U32 (Usize.ofInt 2) x (Usize.ofInt 0)
+    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 (Usize.ofInt 2)) : 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 (Usize.ofInt 2) [ 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 -/
@@ -353,15 +330,15 @@ 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 + (Usize.ofInt 1)
+      let i2 ← i + 1#usize
       sum_loop s sum1 i2
   else Result.ret sum0
 
 /- [array::sum]: forward function -/
 def sum (s : Slice U32) : Result U32 :=
-  sum_loop s (U32.ofInt 0) (Usize.ofInt 0)
+  sum_loop s 0#u32 0#usize
 
 /- [array::sum2]: loop 0: forward function -/
 divergent def sum2_loop
@@ -370,11 +347,11 @@ 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 + (Usize.ofInt 1)
+      let i4 ← i + 1#usize
       sum2_loop s s2 sum1 i4
   else Result.ret sum0
 
@@ -384,27 +361,24 @@ def sum2 (s : Slice U32) (s2 : Slice U32) : Result U32 :=
   let i0 := Slice.len U32 s2
   if not (i = i0)
   then Result.fail Error.panic
-  else sum2_loop s s2 (U32.ofInt 0) (Usize.ofInt 0)
+  else sum2_loop s s2 0#u32 0#usize
 
 /- [array::f0]: forward function -/
 def f0 : Result Unit :=
   do
     let s ←
-      Array.to_slice_mut U32 (Usize.ofInt 2)
-        (Array.make U32 (Usize.ofInt 2) [ (U32.ofInt 1), (U32.ofInt 2) ])
-    let s0 ← Slice.index_mut_back U32 s (Usize.ofInt 0) (U32.ofInt 1)
+      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 (Usize.ofInt 2)
-        (Array.make U32 (Usize.ofInt 2) [ (U32.ofInt 1), (U32.ofInt 2) ]) 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 (Usize.ofInt 2)
-        (Array.make U32 (Usize.ofInt 2) [ (U32.ofInt 1), (U32.ofInt 2) ])
-        (Usize.ofInt 0) (U32.ofInt 1)
+      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 -/
@@ -412,54 +386,46 @@ def f2 (i : U32) : Result Unit :=
   Result.ret ()
 
 /- [array::f4]: forward function -/
-def f4
-  (x : Array U32 (Usize.ofInt 32)) (y : Usize) (z : Usize) :
-  Result (Slice U32)
-  :=
-  Array.subslice_shared U32 (Usize.ofInt 32) x (Range.mk y z)
+def f4 (x : Array U32 32#usize) (y : Usize) (z : Usize) : Result (Slice U32) :=
+  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 (Usize.ofInt 2)
-        (Array.make U32 (Usize.ofInt 2) [ (U32.ofInt 1), (U32.ofInt 2) ])
-        (Usize.ofInt 0)
+      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 (Usize.ofInt 2)
-        (Array.make U32 (Usize.ofInt 2) [ (U32.ofInt 1), (U32.ofInt 2) ])
-    let s0 ←
-      f4
-        (Array.make U32 (Usize.ofInt 32) [
-          (U32.ofInt 0), (U32.ofInt 0), (U32.ofInt 0), (U32.ofInt 0),
-          (U32.ofInt 0), (U32.ofInt 0), (U32.ofInt 0), (U32.ofInt 0),
-          (U32.ofInt 0), (U32.ofInt 0), (U32.ofInt 0), (U32.ofInt 0),
-          (U32.ofInt 0), (U32.ofInt 0), (U32.ofInt 0), (U32.ofInt 0),
-          (U32.ofInt 0), (U32.ofInt 0), (U32.ofInt 0), (U32.ofInt 0),
-          (U32.ofInt 0), (U32.ofInt 0), (U32.ofInt 0), (U32.ofInt 0),
-          (U32.ofInt 0), (U32.ofInt 0), (U32.ofInt 0), (U32.ofInt 0),
-          (U32.ofInt 0), (U32.ofInt 0), (U32.ofInt 0), (U32.ofInt 0)
-          ]) (Usize.ofInt 16) (Usize.ofInt 18)
+      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
 
+/- [array::SZ] -/
+def sz_body : Result Usize := Result.ret 32#usize
+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_usize U32 32#usize x 0#usize
+
 /- [array::ite]: forward function -/
 def ite : Result Unit :=
   do
     let s ←
-      Array.to_slice_mut U32 (Usize.ofInt 2)
-        (Array.make U32 (Usize.ofInt 2) [ (U32.ofInt 0), (U32.ofInt 0) ])
+      Array.to_slice U32 2#usize (Array.make U32 2#usize [ 0#u32, 0#u32 ])
     let s0 ←
-      Array.to_slice_mut U32 (Usize.ofInt 2)
-        (Array.make U32 (Usize.ofInt 2) [ (U32.ofInt 0), (U32.ofInt 0) ])
+      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 (Usize.ofInt 2)
-        (Array.make U32 (Usize.ofInt 2) [ (U32.ofInt 0), (U32.ofInt 0) ]) 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 (Usize.ofInt 2)
-        (Array.make U32 (Usize.ofInt 2) [ (U32.ofInt 0), (U32.ofInt 0) ]) 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