interp: fix support of type assert expressions in the global scope

Add the support of type assert expressions in type parsing which allows to process type assertions in the global scope. Fixes #1543.
traefik · Apr 26, 2023 · 68a430f · 68a430f
1 parent dc7c64b
commit 68a430f
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diff --git a/_test/assert4.go b/_test/assert4.go
@@ -0,0 +1,11 @@
+package main
+
+var cc interface{} = 2
+var dd = cc.(int)
+
+func main() {
+	println(dd)
+}
+
+// Output:
+// 2
diff --git a/interp/type.go b/interp/type.go
@@ -1093,6 +1093,9 @@ func nodeType2(interp *Interpreter, sc *scope, n *node, seen []*node) (t *itype,
 			sc.sym[sname].typ = t
 		}
 
+	case typeAssertExpr:
+		t, err = nodeType2(interp, sc, n.child[1], seen)
+
 	default:
 		err = n.cfgErrorf("type definition not implemented: %s", n.kind)
 	}