{
  "schema": "ailang/v0",
  "name": "mq1_xmod_constraint_class",
  "imports": [{ "module": "mq1_xmod_constraint_class_dep" }],
  "defs": [
    {
      "kind": "fn",
      "name": "useShow",
      "doc": "Positive mq.1 fixture: a polymorphic fn that takes a single value and a Show constraint, ignores the value, and returns Unit. Exercises the qualified `Constraint.class` shape end-to-end (loader + validator + check_workspace).",
      "type": {
        "k": "forall",
        "vars": ["a"],
        "constraints": [
          { "class": "mq1_xmod_constraint_class_dep.Show",
            "type": { "k": "var", "name": "a" } }
        ],
        "body": {
          "k": "fn",
          "params": [{ "k": "var", "name": "a" }],
          "param_modes": ["borrow"],
          "ret": { "k": "con", "name": "Unit" },
          "effects": []
        }
      },
      "params": ["_x"],
      "body": { "t": "lit", "lit": { "kind": "unit" } }
    }
  ]
}