Updating contracts.

src/test/contracts/address.mligo

@@ -1,3 +1,3 @@
 let main (p : key_hash) =
-  let c : unit contract = Current.implicit_account p in 
-  Current.address c
+  let c : unit contract = Current.implicit_account p
+  in Current.address c

src/test/contracts/amount.ligo

@@ -1,8 +1,8 @@
-function check (const p: unit) : int is
-  begin
+function check (const p : unit) : int is
+  block {
     var result : int := 0;
-    if amount = 100tz then
+    if Tezos.amount = 100tz then
       result := 42
     else
       result := 0
-  end with result
+  } with result

src/test/contracts/amount.mligo

@@ -1 +1 @@
-let check_ (p: unit) : int = if Current.amount = 100tz then 42 else 0
+let check = if Tezos.amount > 100tez then 42 else 0

src/test/contracts/arithmetic.mligo

@@ -1,30 +1,17 @@
 // Test CameLIGO arithmetic operators
 
-let mod_op (n : int) : nat =
-  n mod 42
+let mod_op (n : int) : nat = n mod 42
 
-let plus_op (n : int) : int =
-  n + 42
+let plus_op (n : int) : int = n + 42
 
-let minus_op (n : int) : int =
-  n - 42
+let minus_op (n : int) : int = n - 42
 
-let times_op (n : int) : int =
-  n * 42
+let times_op (n : int) : int = n * 42
 
-let div_op (n : int) : int =
-  n / 2
+let div_op (n : int) : int = n / 2
 
-(* TODO (?): Support conversion from nat to int and back
-
-let int_op (n : nat) : int =
-  Int n
-
-*)
-
-let neg_op (n : int) : int =
-  -n
+let neg_op (n : int) : int = -n
 
 let foo (n : int) : int = n + 10
 
-let neg_op_2 (b: int) : int = -(foo b)
+let neg_op_2 (b : int) : int = -(foo b)

src/test/contracts/assert.mligo

@@ -1,3 +1,3 @@
-let main (p, s: bool * unit) =
+let main (p, s : bool * unit) =
   let u : unit = assert p
   in ([] : operation list), s

src/test/contracts/attributes.mligo

@@ -1,10 +1,10 @@
 let x = 1 [@@inline]
 
-let foo (a: int): int =
+let foo (a : int): int =
   (let test = 2 + a [@@inline] in test) [@@inline]
 
 let y = 1 [@@inline][@@other]
 
-let bar (b: int): int =
-  let test = fun (z: int) -> 2 + b + z [@@inline][@@foo][@@bar]
+let bar (b : int): int =
+  let test = fun (z : int) -> 2 + b + z [@@inline][@@foo][@@bar]
   in test b

src/test/contracts/balance_constant.mligo

@@ -1,17 +1,16 @@
-(**
-
+(*
 This test makes sure that the balance is accessible in CameLIGO.
-It's there to detect a regression of: https://gitlab.com/ligolang/ligo/issues/61
 
-Which results in this error when you attempt to compile this contract:
+It is there to detect a regression of:
+https://gitlab.com/ligolang/ligo/issues/61
+
+which results in this error when you attempt to compile this contract:
 
 generated. unrecognized constant: {"constant":"BALANCE","location":"generated"}
 
-
 *)
 
 type storage = tez
 
 let main (p, s : unit * storage) =
   ([] : operation list), balance
-

src/test/contracts/big_map.mligo

@@ -2,22 +2,20 @@ type foo = (int, int) big_map
 
 let set_ (n, m: int * foo) : foo = Big_map.update 23 (Some n) m
 
-let add (n,m : int * foo) : foo = Big_map.add 23 n m
+let add (n, m : int * foo) : foo = Big_map.add 23 n m
 
 let rm (m : foo) : foo = Big_map.remove 42 m
 
 let gf (m : foo) : int = Big_map.find 23 m
 
-let get (m: foo): int option = Big_map.find_opt 42 m
+let get (m : foo): int option = Big_map.find_opt 42 m
 
 let empty_map : foo = Big_map.empty
 
-let map1 : foo = Big_map.literal
-  [ (23 , 0) ; (42, 0) ]
+let map1 : foo = Big_map.literal [(23,0); (42,0)]
 
-let map1 : foo = Big_map.literal
-  [ (23 , 0) ; (42, 0) ]
+let map1 : foo = Big_map.literal [(23,0); (42,0)]
 
 let mutimaps (m : foo) (n : foo) : foo =
-  let bar : foo = Big_map.update 42 (Some 0) m in
-  Big_map.update 42 (get bar) n
+  let bar : foo = Big_map.update 42 (Some 0) m
+  in Big_map.update 42 (get bar) n

src/test/contracts/bitwise_arithmetic.mligo

@@ -1,7 +1,7 @@
 (* Test CameLIGO bitwise operators *)
 
-let or_op  (n: nat) : nat = Bitwise.or  n 4n
-let and_op (n: nat) : nat = Bitwise.and n 7n
-let xor_op (n: nat) : nat = Bitwise.xor n 7n
-let lsl_op (n: nat) : nat = Bitwise.shift_left n 7n
-let lsr_op (n: nat) : nat = Bitwise.shift_right n 7n
+let or_op  (n : nat) : nat = Bitwise.lor  n 4n
+let and_op (n : nat) : nat = Bitwise.land n 7n
+let xor_op (n : nat) : nat = Bitwise.lxor n 7n
+let lsl_op (n : nat) : nat = Bitwise.shift_left n 7n
+let lsr_op (n : nat) : nat = Bitwise.shift_right n 7n

src/test/contracts/boolean_operators.mligo

@@ -1,16 +1,11 @@
 // Test CameLIGO boolean operators
 
-let or_true (b : bool) : bool =
-   b || true
+let or_true (b : bool) : bool = b || true
 
-let or_false (b : bool) : bool =
-   b || false
+let or_false (b : bool) : bool = b || false
 
-let and_true (b : bool) : bool =
-   b && true
+let and_true (b : bool) : bool = b && true
 
-let and_false (b : bool) : bool =
-   b && false
+let and_false (b : bool) : bool = b && false
 
-let not_bool (b: bool) : bool =
-   not b
+let not_bool (b : bool) : bool = not b

src/test/contracts/bytes_arithmetic.mligo

@@ -1,8 +1,5 @@
-let concat_op (s : bytes) : bytes =
-   Bytes.concat s 0x7070
+let concat_op (s : bytes) : bytes = Bytes.concat s 0x7070
 
-let slice_op (s : bytes) : bytes =
-   Bytes.slice 1n 2n s
+let slice_op (s : bytes) : bytes = Bytes.slice 1n 2n s
 
-let hasherman (s : bytes) : bytes =
-   Crypto.sha256 s
+let hasherman (s : bytes) : bytes = Crypto.sha256 s

src/test/contracts/bytes_unpack.mligo

@@ -1,11 +1,11 @@
-let id_string (p: string) : string option =
-  let packed: bytes = Bytes.pack p in
-  ((Bytes.unpack packed): string option)
+let id_string (p : string) : string option =
+  let packed : bytes = Bytes.pack p in
+  (Bytes.unpack packed : string option)
 
-let id_int (p: int) : int option =
-  let packed: bytes = Bytes.pack p in
-  ((Bytes.unpack packed): int option)
+let id_int (p : int) : int option =
+  let packed : bytes = Bytes.pack p in
+  (Bytes.unpack packed : int option)
 
-let id_address (p: address) : address option =
-  let packed: bytes = Bytes.pack p in
-  ((Bytes.unpack packed): address option)
+let id_address (p : address) : address option =
+  let packed : bytes = Bytes.pack p in
+  (Bytes.unpack packed : address option)

src/test/contracts/check_signature.mligo

@@ -1,2 +1,2 @@
-let check_signature (pk, signed, msg: key * signature * bytes) : bool =
+let check_signature (pk, signed, msg : key * signature * bytes) : bool =
   Crypto.check pk signed msg

src/test/contracts/closure.mligo

@@ -1,9 +1,7 @@
 (* Test whether closures retain values in CameLIGO *)
 
-let test (k: int) : int =
-  let j: int = k + 5 in
-  let close: (int -> int) =
-    fun (i: int) -> i + j
-  in
-  let j: int = 20 in (* Shadow original variable to see if value close'd *)
-  close 20
+let test (k : int) : int =
+  let j : int = k + 5 in
+  let close : int -> int = fun (i : int) -> i + j in
+  let j : int = 20 (* Shadow original variable *)
+  in close 20

src/test/contracts/condition-annot.mligo

@@ -1,2 +1,4 @@
-let main (i: int) =
-  if (i=2 : bool) then (42: int) else (0: int)
+type integer is int
+
+let main (i : int) =
+  if (i = 2 : bool) then (42 : int) else (0 : integer)

src/test/contracts/condition-shadowing.mligo

@@ -1,6 +1,6 @@
 (* TODO : make a test using mutation, not shadowing *)
 
-let main (i: int) =
+let main (i : int) =
   let result = 0 in
   if i = 2 then
     let result = 42 in result

src/test/contracts/counter.mligo

@@ -1,4 +1,4 @@
 type storage = int
 
-let main (ps: int * storage) =
-  (([] : operation list) , ps.0 + ps.1)
+let main (ps : int * storage) =
+  ([] : operation list), ps.0 + ps.1

src/test/contracts/crypto.mligo

@@ -1,2 +1,2 @@
-let hasherman512 (s: bytes) : bytes = Crypto.sha512 s
-let hasherman_blake (s: bytes) : bytes = Crypto.blake2b s
+let hasherman512 (s : bytes) : bytes = Crypto.sha512 s
+let hasherman_blake (s : bytes) : bytes = Crypto.blake2b s

src/test/contracts/curry.mligo

@@ -1,9 +1,9 @@
-let conv_test (j: int) (k: int) = j + k
+let conv_test (j : int) (k : int) = j + k
 
-let main (i: int) : int = conv_test i 10
+let main (i : int) : int = conv_test i 10
 
-let partial (a: int) (b: int) : int = a + b
+let partial (a : int) (b : int) : int = a + b
 
-let mk_partial (j: int) : (int -> int) = partial j
+let mk_partial (j : int) : int -> int = partial j
 
-let partial_apply (i: int) : int = (mk_partial 10) i
+let partial_apply (i : int) : int = mk_partial 10 i

src/test/contracts/empty_case.mligo

@@ -1,8 +1,8 @@
 type foo =
-  | Bar of int
-  | Baz
+  Bar of int
+| Baz
 
-let main (f: foo): int = 
-  match f with 
-  | Bar i -> i
-  | Baz -> -1
+let main (f : foo) : int =
+  match f with
+    Bar i -> i
+  | Baz -> -1

src/test/contracts/eq_bool.mligo

@@ -1,3 +1,3 @@
 // Test conditional in CameLIGO
 
-let main (a , b : bool * bool) = if a = b then 999 else 1
+let main (a, b : bool * bool) = if a = b then 999 else 1

src/test/contracts/failwith.mligo

@@ -1,4 +1,4 @@
 type storage = unit
 
-let main (p: unit) storage =
-  if true then failwith "This contract always fails" else ()
+let main (p : unit; store : storage) : operation list * storage =
+  if true then failwith "This contract always fails"

src/test/contracts/fibo.mligo

@@ -1,7 +1,9 @@
 type storage = unit
 
-let main (p: unit) storage =
-  (fun (f: (int * int) -> int) (x: int) (y: int) -> f (y,x))
-    (fun (x: int) (y: int) -> x + y)
-    0
-    1
+let main (p : unit; store : storage) : operation list * storage =
+  let n =
+    (fun (f : int * int -> int) (x : int) (y : int) -> f (y,x))
+      (fun (x : int) (y : int) -> x + y)
+      0
+      1
+  in ([] : operation list), store

src/test/contracts/fibo2.mligo

@@ -1,7 +1,9 @@
 type storage = unit
 
-let main (p: unit) storage =
-  (fun (f: int -> int) (_: int) (y: int) -> f y)
-    (fun (x: int) -> x)
-    0
-    1
+let main (p : unit; store : storage) : operation list * storage =
+  let n =
+    (fun (f : int -> int) (z : int) (y : int) -> f y)
+      (fun (x : int) -> x)
+      0
+      1
+  in ([] : operation list), store

src/test/contracts/fibo3.mligo

@@ -1,7 +1,9 @@
 type storage = unit
 
-let main (p: unit) storage =
-  (fun (f: int -> int -> int) (x: int) (y: int) -> f y (x+y))
-    (fun (x: int) (y: int) -> x + y)
-    0
-    1
+let main (p : unit; store : storage) : operation list * storage =
+  let n =
+    (fun (f : int -> int -> int) (x : int) (y : int) -> f y (x+y))
+      (fun (x : int) (y : int) -> x + y)
+      0
+      1
+  in ([] : operation list), store

src/test/contracts/function-shared.mligo

@@ -1,7 +1,7 @@
 (* Test use of multiple subroutines in a CameLIGO function *)
 
-let foo (i: int) : int = i + 20
+let foo (i : int) : int = i + 20
 
-let bar (i: int) : int = i + 50
+let bar (i : int) : int = i + 50
 
-let foobar (i: int) : int = (foo i) + (bar i)
+let foobar (i : int) : int = foo i + bar i

src/test/contracts/guess_string.mligo

@@ -1,20 +1,18 @@
 type storage = {
-  challenge : string;
+  challenge : string
 }
 
 type param = {
   new_challenge : string;
-  attempt       : string;
+  attempt       : string
 }
 
-let attempt (p: param) storage =
-  (* if p.attempt <> storage.challenge then failwith "Failed challenge" else *)
-  let contract : unit contract =
-    Operation.get_contract sender in
+type return = operation list * storage
+
+let attempt (p: param; store : storage) : return =
+  (* if p.attempt <> store.challenge then failwith "Failed challenge" else *)
+  let contract : unit contract = Operation.get_contract sender in
   let transfer : operation =
-    Operation.transaction (unit , contract , 10.00tz) in
-  (* TODO: no syntax for functional updates yet *)
-  (* let storage : storage = { storage with challenge = p.new_challenge } in *)
-  (* for now, rebuild the record by hand. *)
-  let storage : storage = { challenge = p.new_challenge }
-  in ([] : operation list), storage
+    Operation.transaction (unit, contract, 10.00tez) in
+  let store : storage = {challenge = p.new_challenge}
+  in ([] : operation list), store

src/test/contracts/option.ligo

@@ -1,13 +1,13 @@
 // Test the option type in PascaLIGO
 
-type foobar is option(int)
+type foobar is option (int)
 
-const s : foobar = Some(42)
+const s : foobar = Some (42)
 const n : foobar = None
 
 function assign (var m : int) : foobar is
   block {
     var coco : foobar := None;
-    coco := Some(m);
+    coco := Some (m);
     coco := (None : foobar); //temporary annotation added until type inference
   } with coco

src/test/contracts/parser-bad-reported-term.ligo

@@ -1,6 +0,0 @@
-function f (const x : unit) : unit is
-  begin skip end with unit
-
-function main (const p : unit ; const s : unit) : unit is
-  behin skip end with f unit
-// the srcloc is correct but the reported term is "skip" instead of "behin".

src/test/contracts/procedure.ligo

@@ -1,11 +0,0 @@
-// Test a trivial PascaLIGO procedure
-
-procedure sub (const j: int) is 
-  begin
-    i := i + 1
-  end
-
-function main (const i: int) : int is 
-  begin 
-    sub(i)
-  end with i 

src/test/contracts/quote-declaration.ligo

@@ -1,8 +1,3 @@
-function foo (const input : int) : int is begin
-   skip
-end with (input + 42)
+function foo (const input : int) : int is input + 42
 
-function main (const i : int) : int is
-  begin
-    skip
-  end with i + foo (i)
+function main (const i : int) : int is i + foo (i)

src/test/contracts/quote-declarations.ligo

@@ -1,13 +1,5 @@
-function foo (const input : int) : int is begin
-   skip
-end with (input + 23)
+function foo (const input : int) : int is input + 23
 
-function bar (const input : int) : int is begin
-   skip
-end with (input + 51)
+function bar (const input : int) : int is input + 51
 
-
-function main (const i : int) : int is
-  begin
-    skip
-  end with foo (i) + bar (i)
+function main (const i : int) : int is foo (i) + bar (i)

src/test/contracts/record.ligo

@@ -1,68 +1,38 @@
 // Test record type in PascaLIGO
 
-type foobar is record
-     foo : int ;
-     bar : int ;
-end
+type foobar is record [foo : int; bar : int]
 
-const fb : foobar = record
-  foo = 0 ;
-  bar = 0 ;
-end
+const fb : foobar = record [foo = 0; bar = 0]
 
-type abc is record
-  a : int ;
-  b : int ;
-  c : int ;
-end
+type abc is record [a : int; b : int; c : int]
 
-const abc : abc = record
-  a = 42 ;
-  b = 142 ;
-  c = 242 ;
-end
+const abc : abc = record [a = 42; b = 142; c = 242]
 
-const a : int = abc.a ;
-const b : int = abc.b ;
-const c : int = abc.c ;
+const a : int = abc.a
+const b : int = abc.b
+const c : int = abc.c
 
-function projection (const r : foobar) : int is
-  begin
-    skip
-  end with r.foo + r.bar
+function projection (const r : foobar) : int is r.foo + r.bar
 
-function modify (const r : foobar) : foobar is
+function modify (var r : foobar) : foobar is
   block {
-    r.foo := 256 ;
+    r.foo := 256
   } with r
 
 function modify_abc (const r : abc) : abc is
   block {
     const c : int = 42;
-    r := r with record b = 2048; c = c; end;
+    r := r with record [b=2048; c=c]
   } with r
 
-type big_record is record
-     a : int ;
-     b : int ;
-     c : int ;
-     d : int ;
-     e : int ;
-end
+type big_record is record [a : int; b : int; c : int; d : int; e : int]
 
-const br : big_record = record
-  a = 23 ;
-  b = 23 ;
-  c = 23 ;
-  d = 23 ;
-  e = 23 ;
-end
+const br : big_record =
+  record [a = 23; b = 23; c = 23; d = 23; e = 23]
 
-type double_record is record
-  inner : abc;
-end
+type double_record is record [inner : abc]
 
 function modify_inner (const r : double_record) : double_record is
   block {
-    r := r with record inner.b = 2048; end;
+    r := r with record [inner.b = 2048]
   } with r

src/test/contracts/redeclaration.ligo

@@ -1,6 +1,6 @@
-function foo(const p : unit) : int is 0
+function foo (const p : unit) : int is 0
 
-function main(const p : unit; const s : int) : list(operation) * int is
-  ((list end : list(operation)), foo(unit))
+function main (const p : unit; const s : int) : list (operation) * int is
+  ((nil : list (operation)), foo (unit))
 
-function foo(const p : unit) : int is 1
+function foo (const p : unit) : int is 1

src/test/contracts/replaceable_id.ligo

@@ -1,35 +1,35 @@
 // storage type
-type storage_t is address;
+type storage_t is address
 
 // entry points parameter types
 type change_addr_pt is address
 
-type message_t is list (operation) ;
-type pass_message_pt is (unit -> message_t)
+type message_t is list (operation)
+type pass_message_pt is unit -> message_t
 
-type contract_return_t is (list(operation) * storage_t)
+type contract_return_t is list (operation) * storage_t
 
 type entry_point_t is
-| Change_address of change_addr_pt
-| Pass_message of pass_message_pt
+  Change_address of change_addr_pt
+| Pass_message   of pass_message_pt
 
 function change_address (const param : change_addr_pt;
                          const s : storage_t) : contract_return_t is
-  begin
-    if sender =/= s then failwith("Unauthorized sender")
+  block {
+    if sender =/= s then failwith ("Unauthorized sender")
     else skip
-end with ((nil : list(operation)), param)
+  } with ((nil : list (operation)), param)
 
-function pass_message ( const param: pass_message_pt;
-                        const s : storage_t ) : contract_return_t is
-  begin
-    if sender =/= s then failwith("Unauthorized sender") else skip ;
-  var message : pass_message_pt := param ;
-end with (param(unit),s)
+function pass_message (const param: pass_message_pt;
+                       const s : storage_t ) : contract_return_t is
+  block {
+    if sender =/= s then failwith("Unauthorized sender") else skip;
+    var message : pass_message_pt := param
+  } with (param (unit), s)
 
-function main(const param : entry_point_t; const s : storage_t) : contract_return_t is 
-block {skip} with 
+function main (const param : entry_point_t; const s : storage_t) :
+  contract_return_t is
   case param of
-  | Change_address (p) -> change_address(p,s)
-  | Pass_message (p) -> pass_message(p,s)
-end
+    Change_address (p) -> change_address (p,s)
+  | Pass_message (p)   -> pass_message (p,s)
+  end

src/test/contracts/self_address.ligo

@@ -1 +1 @@
-function main (const p: unit) : address is self_address
+function main (const p : unit) : address is self_address

src/test/contracts/set_arithmetic-1.ligo

@@ -1,17 +1,17 @@
 // Test set iteration in PascaLIGO
 
-function iter_op (const s : set(int)) : int is
-  begin
-    var r : int := 0 ;
-    function aggregate (const i : int) : unit is
-      begin
-        r := r + i ;
-      end with unit ;
-    set_iter(aggregate, s) ;
-  end with r
-
-function fold_op (const s : set(int)) : int is
+function iter_op (const s : set (int)) : int is
   block {
-    function aggregate (const i : int ; const j : int) : int is
+    var r : int := 0;
+    function aggregate (const i : int) : unit is
+      block {
+        r := r + i
+      } with unit;
+    set_iter (aggregate, s)
+  } with r // ALWAYS RETURNS 0
+
+function fold_op (const s : set (int)) : int is
+  block {
+    function aggregate (const i : int; const j : int) : int is
       i + j
-  } with set_fold(aggregate, s , 15)
+  } with set_fold (aggregate, s, 15)

src/test/contracts/set_arithmetic.ligo

@@ -1,30 +1,27 @@
 // Test set type and basic operations in PascaLIGO
 
-const s_e : set(string) = (set_empty : set(string))
+const s_e : set (string) = set_empty
 
-const s_fb : set(string) = set [
-      "foo" ;
-      "bar" ;
-]
+const s_fb : set (string) = set ["foo"; "bar"]
 
-function add_op (const s : set(string)) : set(string) is
-  begin skip end with set_add("foobar" , s)
+function add_op (const s : set (string)) : set (string) is
+  set_add ("foobar", s)
 
-function remove_op (const s : set(string)) : set(string) is
-  begin skip end with set_remove("foobar" , s)
+function remove_op (const s : set (string)) : set (string) is
+  set_remove ("foobar", s)
 
 // Test the PascaLIGO syntactic sugar for set removal vs. the function call
-function remove_syntax (var s : set(string)) : set(string) is
-  begin remove "foobar" from set s; end with s
+function remove_syntax (var s : set (string)) : set (string) is
+  block {remove "foobar" from set s} with s
 
-function remove_deep (var s : set(string) * nat) : set(string) * nat is
-  begin remove "foobar" from set s.0; end with s
+function remove_deep (var s : set (string) * nat) : set (string) * nat is
+  block {remove "foobar" from set s.0} with s
 
-function patch_op (var s: set(string)) : set(string) is
-  begin patch s with set ["foobar"]; end with s
+function patch_op (var s : set (string)) : set (string) is
+  block {patch s with set ["foobar"]} with s
 
-function patch_op_deep (var s: set(string)*nat) : set(string)*nat is
-  begin patch s.0 with set ["foobar"]; end with s
+function patch_op_deep (var s : set (string) * nat) : set (string) * nat is
+  block {patch s.0 with set ["foobar"]} with s
 
-function mem_op (const s : set(string)) : bool is
-  begin skip end with set_mem("foobar" , s)
+function mem_op (const s : set (string)) : bool is
+  set_mem ("foobar", s)

src/test/contracts/set_delegate.ligo

@@ -1,6 +1,5 @@
-function main (const p: key_hash) : list(operation) is
-  begin
-    const unused: operation = set_delegate(Some(p)) ;
-    const dummy: list(operation) = nil;
-  end with dummy
-
+function main (const p : key_hash) : list (operation) is
+  block {
+    const unused : operation = set_delegate (Some (p));
+    const dummy : list (operation) = nil
+  } with dummy

src/test/contracts/shadow.ligo

@@ -1,5 +1,4 @@
 function foo (const i : int) : int is
   block {
-    function bar (const i : int) : int is
-      i ;
+    function bar (const i : int) : int is i
   } with bar (0)

src/test/contracts/simple_access.ligo

@@ -1,21 +1,21 @@
-//Test simple_access in PascalLigo
-type tpi is (int*int)
-type rpi is record
-x : int;
-y : int;
-end
-type mpi is map(string,int)
+//Test simple_access in PascaLIGO
+
+type tpi is int * int
+
+type rpi is record [x : int; y : int]
+
+type mpi is map (string, int)
 
 function main (const toto : tpi) : int is
-  begin
+  block {
     var a : tpi := toto;
-    var b : rpi := record x = 0; y=1 ; end;
-    var m : mpi := map "y" -> 1; end;
+    var b : rpi := record [x=0; y=1];
+    var m : mpi := map ["y" -> 1];
     a.0 := 2;
     b.x := a.0;
-    m["x"] := b.x;
-  end with
-  case m["x"] of
-  | Some (s) -> s
-  | None -> 42
-  end
+    m["x"] := b.x
+  } with
+      case m["x"] of
+        Some (s) -> s
+      | None -> 42
+      end

src/test/contracts/string.ligo

@@ -1,3 +1,3 @@
 const s : string = "toto"
-const x : string =  s^"bar"
-const y : string =  "foo"^x
+const x : string =  s ^ "bar"
+const y : string =  "foo" ^ x

src/test/contracts/string_arithmetic.ligo

@@ -1,5 +1,5 @@
 function concat_op (const s : string) : string is
-  begin skip end with string_concat(s , "toto")
+  string_concat (s, "toto")
 
 function slice_op (const s : string) : string is
-  begin skip end with string_slice(1n , 2n , s)
+  string_slice (1n, 2n, s)

src/test/contracts/super-counter.ligo

@@ -1,10 +1,14 @@
 type action is
-| Increment of int
+  Increment of int
 | Decrement of int
 
-function main (const p : action ; const s : int) : (list(operation) * int) is
-  block {skip} with ((nil : list(operation)),
-    case p of
-    | Increment (n) -> s + n
-    | Decrement (n) -> s - n
-    end)
+type storage is int
+
+type return is list (operation) * storage
+
+function main (const p : action; const s : int) : return is
+  ((nil : list (operation)),
+   case p of
+     Increment (n) -> s + n
+   | Decrement (n) -> s - n
+   end)

src/test/contracts/tez.ligo

@@ -1,16 +1,18 @@
-const add_tez : tez = 21mutez + 0.000021tz;
-const sub_tez : tez = 21mutez - 20mutez;
+const add_tez : tez = 21mutez + 0.000_021tez
+
+const sub_tez : tez = 21mutez - 20mutez
+
 (* This is not enough. *)
-const not_enough_tez : tez = 4611686018427387903mutez;
 
+const not_enough_tez : tez = 461_168_601_842_738_7903mutez
 
-const nat_mul_tez : tez = 1n * 100mutez;
-const tez_mul_nat : tez = 100mutez * 10n;
+const nat_mul_tez : tez = 1n * 100mutez
+const tez_mul_nat : tez = 100mutez * 10n
 
-const tez_div_tez1 : nat = 100mutez / 1mutez;
-const tez_div_tez2 : nat = 100mutez / 90mutez;
-const tez_div_tez3 : nat = 100mutez / 110mutez;
+const tez_div_tez1 : nat = 100mutez / 1mutez
+const tez_div_tez2 : nat = 100mutez / 90mutez
+const tez_div_tez3 : nat = 100mutez / 110mutez
 
-const tez_mod_tez1 : tez = 100mutez mod 1mutez;
-const tez_mod_tez2 : tez = 100mutez mod 90mutez;
-const tez_mod_tez3 : tez = 100mutez mod 110mutez;
+const tez_mod_tez1 : tez = 100mutez mod 1mutez
+const tez_mod_tez2 : tez = 100mutez mod 90mutez
+const tez_mod_tez3 : tez = 100mutez mod 110mutez

src/test/contracts/time-lock.ligo

@@ -1,25 +1,28 @@
 type storage_t is timestamp
 
-type message_t is (unit -> list(operation))
+type message_t is unit -> list (operation)
 type default_pt is unit
 type call_pt is message_t
-type contract_return_t is (list(operation) * storage_t)
+type contract_return_t is list (operation) * storage_t
 
 type entry_point_t is
 | Call of call_pt
 | Default of default_pt
 
-function call (const p : call_pt; const s : storage_t) : contract_return_t is block {
-  if s >= now then failwith("Contract is still time locked") else skip ;
-  const message : message_t = p ;
-  const ret_ops : list(operation) = message(unit) ;
-} with (ret_ops,s)
+function call (const p : call_pt; const s : storage_t) : contract_return_t is
+  block {
+    if s >= now then failwith ("Contract is still time locked") else skip;
+    const message : message_t = p;
+    const ret_ops : list (operation) = message (unit)
+  } with (ret_ops, s)
 
-function default (const p : default_pt; const s : storage_t) : contract_return_t is
-  ((nil: list(operation)) , s)
+function default (const p : default_pt; const s : storage_t) :
+  contract_return_t is
+  ((nil : list (operation)), s)
 
-function main(const param : entry_point_t; const s : storage_t) : contract_return_t is 
+function main(const param : entry_point_t; const s : storage_t) :
+  contract_return_t is
   case param of
-  | Call     (p) -> call(p,s)
-  | Default  (p) -> default(p,s)
-end
+    Call    (p) -> call (p,s)
+  | Default (p) -> default (p,s)
+  end

src/test/contracts/timestamp.ligo

@@ -1,3 +1,4 @@
 type storage_ is timestamp
 
-function main(const p : unit; const s : storage_) : list(operation) * storage_ is ((nil: list(operation)), now)
+function main (const p : unit; const s : storage_) :
+  list (operation) * storage_ is ((nil: list (operation)), now)

src/test/contracts/toto.ligo

@@ -1,6 +1,3 @@
-type toto is record
-  a : nat ;
-  b : nat
-end
+type toto is record [a : nat; b : nat]
 
 const foo : int = 3

src/test/contracts/tuple.ligo

@@ -1,22 +1,18 @@
-type abc is (int * int * int)
+type abc is int * int * int
 
-function projection_abc (const tpl : abc) : int is
-  block { skip } with tpl.1
+function projection_abc (const tpl : abc) : int is tpl.1
 
 function modify_abc (const tpl : abc) : abc is
   block {
-    tpl.1 := 2048 ;
+    tpl.1 := 2048
   } with tpl
 
-type foobar is (int * int)
+type foobar is int * int
 
-const fb : foobar = (0, 0)
+const fb : foobar = (0,0)
 
-function projection (const tpl : foobar) : int is
-  begin
-    skip
-  end with tpl.0 + tpl.1
+function projection (const tpl : foobar) : int is tpl.0 + tpl.1
 
-type big_tuple is (int * int * int * int * int)
+type big_tuple is int * int * int * int * int
 
 const br : big_tuple = (23, 23, 23, 23, 23)

src/test/contracts/variant-matching.ligo

@@ -1,11 +1,11 @@
 type foobar is
-| Foo of int
+  Foo of int
 | Bar of bool
 | Kee of nat
 
-function fb(const p : foobar) : int is
-  block { skip } with (case p of
-  | Foo (n) -> n
+function fb (const p : foobar) : int is
+  case p of
+    Foo (n) -> n
   | Bar (t) -> 42
   | Kee (n) -> 23
-  end)
+  end

src/test/contracts/variant.ligo

@@ -1,5 +1,5 @@
 type foobar is
-| Foo of int
+  Foo of int
 | Bar of bool
 | Kee of nat
 

src/test/contracts/website1.ligo

@@ -1,2 +1,2 @@
-function main (const p : int ; const s : int) : (list(operation) * int) is
-  block {skip} with ((nil : list(operation)), s + 1)
+function main (const p : int; const s : int) : list (operation) * int is
+  ((nil : list (operation)), s + 1)

src/test/contracts/website2.ligo

@@ -1,16 +1,20 @@
-// variant defining pseudo multi-entrypoint actions
+// variant defining entrypoints
+
 type action is
-| Increment of int
+  Increment of int
 | Decrement of int
 
-function add (const a : int ; const b : int) : int is a + b
+type return is list (operation) * int
 
-function subtract (const a : int ; const b : int) : int is a - b
+function add (const a : int; const b : int) : int is a + b
 
-// real entrypoint that re-routes the flow based on the action provided
-function main (const p : action ; const s : int) : (list(operation) * int) is 
-  ((nil : list(operation)),
+function subtract (const a : int; const b : int) : int is a - b
+
+// main function routing the flow based on the action provided
+
+function main (const p : action; const s : int) : return is
+  ((nil : list (operation)),
     case p of
-    | Increment (n) -> add (s, n)
+      Increment (n) -> add (s, n)
     | Decrement (n) -> subtract (s, n)
     end)