fix: handle recursive type definition involving a map object

traefik · Feb 4, 2020 · 4fd6a2d · 4fd6a2d
1 parent 92a63db
commit 4fd6a2d
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Showing 2 changed files with 17 additions and 1 deletion.
diff --git a/_test/map19.go b/_test/map19.go
@@ -0,0 +1,16 @@
+package main
+
+import "fmt"
+
+type cmap struct {
+	servers map[int64]*server
+}
+
+type server struct {
+	cm *cmap
+}
+
+func main() {
+	m := cmap{}
+	fmt.Println(m)
+}
diff --git a/interp/type.go b/interp/type.go
@@ -933,7 +933,7 @@ func (t *itype) refType(defined map[string]bool) reflect.Type {
 	case interfaceT:
 		t.rtype = interf
 	case mapT:
-		t.rtype = reflect.MapOf(t.key.TypeOf(), t.val.TypeOf())
+		t.rtype = reflect.MapOf(t.key.refType(defined), t.val.refType(defined))
 	case ptrT:
 		t.rtype = reflect.PtrTo(t.val.refType(defined))
 	case structT: