ligo/src/test/contracts/expected/michelson_pair_tree.religo

type inner_storage = michelson_pair(int, "one", nat, "two");

type storage = michelson_pair
  (int, "three", inner_storage, "four");

type return = (list(operation), storage);

let main = 
  ((action, store): (unit, storage)): return => 
    {
      let foo = (3, (1, 2n));
      (([] : list(operation)), (foo : storage))
    };