mirror of
https://github.com/golang/go
synced 2024-11-08 19:26:14 -07:00
26 lines
832 B
Go
26 lines
832 B
Go
|
// errorcheck
|
||
|
|
|
||
|
|
// Copyright 2014 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.
|
||
|
|
|
||
|
|
// Verify that pointers can't be used as constants.
|
||
|
|
|
||
|
|
package main
|
||
|
|
|
||
|
|
import "unsafe"
|
||
|
|
|
||
|
|
type myPointer unsafe.Pointer
|
||
|
|
|
||
|
|
const _ = unsafe.Pointer(uintptr(1)) // ERROR "is not (a )?constant"
|
||
|
|
const _ = myPointer(uintptr(1)) // ERROR "is not (a )?constant"
|
||
|
|
|
||
|
|
const _ = (*int)(unsafe.Pointer(uintptr(1))) // ERROR "is not (a )?constant"
|
||
|
|
const _ = (*int)(myPointer(uintptr(1))) // ERROR "is not (a )?constant"
|
||
|
|
|
||
|
|
const _ = uintptr(unsafe.Pointer(uintptr(1))) // ERROR "is not (a )?constant"
|
||
|
|
const _ = uintptr(myPointer(uintptr(1))) // ERROR "is not (a )?constant"
|
||
|
|
|
||
|
|
const _ = []byte("") // ERROR "is not (a )?constant"
|
||
|
|
const _ = []rune("") // ERROR "is not (a )?constant"
|