Matthew Dempsky | 7f40e5e | 2014-08-15 11:33:31 -0700 | [diff] [blame] | 1 | // errorcheck |
| 2 | |
| 3 | // Copyright 2014 The Go Authors. All rights reserved. |
| 4 | // Use of this source code is governed by a BSD-style |
| 5 | // license that can be found in the LICENSE file. |
| 6 | |
| 7 | // Verify that pointers can't be used as constants. |
| 8 | |
| 9 | package main |
| 10 | |
| 11 | import "unsafe" |
| 12 | |
| 13 | type myPointer unsafe.Pointer |
| 14 | |
| 15 | const _ = unsafe.Pointer(uintptr(1)) // ERROR "is not (a )?constant" |
| 16 | const _ = myPointer(uintptr(1)) // ERROR "is not (a )?constant" |
| 17 | |
| 18 | const _ = (*int)(unsafe.Pointer(uintptr(1))) // ERROR "is not (a )?constant" |
| 19 | const _ = (*int)(myPointer(uintptr(1))) // ERROR "is not (a )?constant" |
| 20 | |
| 21 | const _ = uintptr(unsafe.Pointer(uintptr(1))) // ERROR "is not (a )?constant" |
| 22 | const _ = uintptr(myPointer(uintptr(1))) // ERROR "is not (a )?constant" |
| 23 | |
| 24 | const _ = []byte("") // ERROR "is not (a )?constant" |
| 25 | const _ = []rune("") // ERROR "is not (a )?constant" |