mirror of
https://github.com/golang/go
synced 2024-11-24 07:50:13 -07:00
8a34cf7ee0
Move test for isblank into addmethod so that most of the type checking for methods is also performed for blank methods. Fixes #11366. Change-Id: I13d554723bf96d906d0b3ff390d7b7c87c1a5020 Reviewed-on: https://go-review.googlesource.com/16866 Reviewed-by: Robert Griesemer <gri@golang.org>
33 lines
703 B
Go
33 lines
703 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
|
|
}
|
|
|
|
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"
|
|
}
|