iter 22b.2.9: fix — superclass-walk tests, simplify class_superclasses map shape

2026-05-09 18:59:15 +02:00
parent 7cff741632
commit b741a8ba05
4 changed files with 165 additions and 16 deletions
@@ -0,0 +1,53 @@
+{
+  "schema": "ailang/v0",
+  "name": "test_22b2_missing_constraint_subclass",
+  "imports": [],
+  "defs": [
+    {
+      "kind": "class", "name": "Eq", "param": "a",
+      "methods": [{
+        "name": "eq",
+        "type": {
+          "k": "fn",
+          "params": [{ "k": "var", "name": "a" }, { "k": "var", "name": "a" }],
+          "ret": { "k": "con", "name": "Bool" }, "effects": []
+        }
+      }]
+    },
+    {
+      "kind": "class", "name": "Ord", "param": "a",
+      "superclass": { "class": "Eq", "type": "a" },
+      "methods": [{
+        "name": "lt",
+        "type": {
+          "k": "fn",
+          "params": [{ "k": "var", "name": "a" }, { "k": "var", "name": "a" }],
+          "ret": { "k": "con", "name": "Bool" }, "effects": []
+        }
+      }]
+    },
+    {
+      "kind": "fn",
+      "name": "needs_ord_but_only_has_eq",
+      "type": {
+        "k": "forall",
+        "vars": ["a"],
+        "constraints": [
+          { "class": "Eq", "type": { "k": "var", "name": "a" } }
+        ],
+        "body": {
+          "k": "fn",
+          "params": [{ "k": "var", "name": "a" }, { "k": "var", "name": "a" }],
+          "ret": { "k": "con", "name": "Bool" },
+          "effects": []
+        }
+      },
+      "params": ["x", "y"],
+      "body": {
+        "t": "app",
+        "fn": { "t": "var", "name": "lt" },
+        "args": [{ "t": "var", "name": "x" }, { "t": "var", "name": "y" }]
+      }
+    }
+  ]
+}