| // 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 "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|t._ undefined" | |
| var v1, v2 T | |
| _ = v1 == v2 // ERROR "cannot be compared|non-comparable|cannot compare v1 == v2" | |
| } | |