golang func3 代码
文件路径：/test/func3.go
/ 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 "named"
func f2(t1, *t2, x t3) / ERROR "named"
func f3() (x int, *string) / ERROR "named"
func f4() (t1 t1) / legal - scope of parameter named t1 starts in body of f4.