File: option_nest.sail

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sail-ocaml 0.19.1%2Bdfsg5-1
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$sail_internal

union test ('a : Type) = {
  Just : 'a,
  Nothing : unit 
}

union option ('a : Type) = {
  None : unit,
  Some : 'a
}

$[sv_module { stdout = true }]
val "print_endline" : string -> unit

function main() : unit -> unit = {
  let _ : test(option(int)) = Just(None());
  let Just(Some(x)) = Just(Some("test"));
  print_endline(x)
}