go source for verification 2026-05-22

test/func3.go

@@ -0,0 +1,20 @@
+// errorcheck
+
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Verify that illegal function signatures are detected.
+// Does not compile.
+
+package main
+
+type t1 int
+type t2 int
+type t3 int
+
+func f1(*t2, x t3)	// ERROR "missing parameter name"
+func f2(t1, *t2, x t3)	// ERROR "missing parameter name"
+func f3() (x int, *string)	// ERROR "missing parameter name"
+
+func f4() (t1 t1)	// legal - scope of parameter named t1 starts in body of f4.