go/test/blank1.go
alex-semenyuk 82047a080f test, test/fixedbugs, crypto/x509, go/internal/gccgoimporter: fix typos
Change-Id: Ie2d605ca8cc3bde2e26c6865642ff4e6412cd075
GitHub-Last-Rev: ce5c3ba369
GitHub-Pull-Request: golang/go#38137
Reviewed-on: https://go-review.googlesource.com/c/go/+/226201
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2020-03-29 17:12:56 +00:00

33 lines
704 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 identifier are caught.
// Does not compile.
package _ // ERROR "invalid package name"
var t struct {
_ int
}
func (x int) _() { // ERROR "cannot define new methods on non-local type"
println(x)
}
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"
}