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" 26
