{
  "schema": "ailang/v0",
  "name": "forall_polymorphic",
  "imports": [],
  "defs": [
    {
      "kind": "fn",
      "name": "id",
      "doc": "The polymorphic identity function. Exercises Type::Forall and Type::Var.",
      "type": {
        "k": "forall",
        "vars": ["a"],
        "body": {
          "k": "fn",
          "params": [ { "k": "var", "name": "a" } ],
          "param_modes": ["own"],
          "ret": { "k": "var", "name": "a" },
          "ret_mode": "own",
          "effects": []
        }
      },
      "params": ["x"],
      "body": { "t": "var", "name": "x" }
    }
  ]
}