golang issue9521 代码
文件路径：/test/fixedbugs/issue9521.go
/ errorcheck
/ Copyright 2015 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.
/ Test that an incorrect use of the blank identifier is caught.
/ Does not compile.
package main
func f() (_, _ []int) { return }
func g() (x []int, y float64) { return }
func main() {
_ = append(f()) / ERROR "cannot use \[\]int value as type int in append|cannot use.*type \[\]int.*to append"
_ = append(g()) / ERROR "cannot use float64 value as type int in append|cannot use.*type float64.*to append"
}