mirror of
https://github.com/golang/go
synced 2024-07-20 17:48:31 +00:00
4da408f676
blank1.go:10:9: error: invalid package name _ blank1.go:17:2: error: cannot use _ as value blank1.go:18:7: error: cannot use _ as value blank1.go:20:8: error: invalid use of ‘_’ R=golang-dev, r CC=golang-dev https://golang.org/cl/14088044
29 lines
614 B
Go
29 lines
614 B
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.
|
|
|
|
// Test that incorrect uses of the blank identifer are caught.
|
|
// Does not compile.
|
|
|
|
package _ // ERROR "invalid package name _"
|
|
|
|
var t struct {
|
|
_ int
|
|
}
|
|
|
|
type T struct {
|
|
_ []int
|
|
}
|
|
|
|
func main() {
|
|
_() // ERROR "cannot use _ as value"
|
|
x := _+1 // ERROR "cannot use _ as value"
|
|
_ = x
|
|
_ = t._ // ERROR "cannot refer to blank field|invalid use of"
|
|
|
|
var v1, v2 T
|
|
_ = v1 == v2 // ERROR "cannot be compared|non-comparable"
|
|
}
|