type storage is int
type parameter is
  Increment of int
| Decrement of int
| Reset
type return is list (operation) * storage
// Two entrypoints
function add (const store : storage; const delta : int) : storage is 
  store + delta
function sub (const store : storage; const delta : int) : storage is 
  store - delta
(* Main access point that dispatches to the entrypoints according to
   the smart contract parameter. *)
function main (const action : parameter; const store : storage) : return is
 ((nil : list (operation)),    // No operations
  case action of
    Increment (n) -> add (store, n)
  | Decrement (n) -> sub (store, n)
  | Reset         -> 0
  end)

type storage = int
type parameter =
  Increment of int
| Decrement of int
| Reset
type return = operation list * storage
// Two entrypoints
let add (store, delta : storage * int) : storage = store + delta
let sub (store, delta : storage * int) : storage = store - delta
(* Main access point that dispatches to the entrypoints according to
   the smart contract parameter. *)
let main (action, store : parameter * storage) : return =
 ([] : operation list),    // No operations
 (match action with
   Increment (n) -> add (store, n)
 | Decrement (n) -> sub (store, n)
 | Reset         -> 0)

type storage = int;
type parameter =
  Increment (int)
| Decrement (int)
| Reset;
type return = (list (operation), storage);
// Two entrypoints
let add = ((store, delta) : (storage, int)) : storage => store + delta;
let sub = ((store, delta) : (storage, int)) : storage => store - delta;
/* Main access point that dispatches to the entrypoints according to
   the smart contract parameter. */
let main = ((action, store) : (parameter, storage)) : return => {
 (([] : list (operation)),    // No operations
 (switch (action) {
  | Increment (n) => add ((store, n))
  | Decrement (n) => sub ((store, n))
  | Reset         => 0}))
};

type storage = int;
type parameter =
| ["Increment", int]
| ["Decrement", int]
| ["Reset"];
type return_ = [list <operation>, storage];
/* Two entrypoints */
let add = ([store, delta] : [storage, int]) : storage => store + delta;
let sub = ([store, delta] : [storage, int]) : storage => store - delta;
/* Main access point that dispatches to the entrypoints according to
   the smart contract parameter. */
let main = ([action, store] : [parameter, storage]) : return_ => {
 return [
   (list([]) as list <operation>),    // No operations
   (match (action, {
    Increment: (n: int) => add ([store, n]),
    Decrement: (n: int) => sub ([store, n]),
    Reset:     ()  => 0})
  ]
};