File: issue7760.go

package info (click to toggle)
gcc-arm-none-eabi 15%3A14.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,099,328 kB
  • sloc: cpp: 3,627,108; ansic: 2,571,498; ada: 834,230; f90: 235,082; makefile: 79,231; asm: 74,984; xml: 51,692; exp: 39,736; sh: 33,298; objc: 15,629; python: 15,069; fortran: 14,429; pascal: 7,003; awk: 5,070; perl: 3,106; ml: 285; lisp: 253; lex: 204; haskell: 135
file content (25 lines) | stat: -rw-r--r-- 1,017 bytes parent folder | download | duplicates (25) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
 
// 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|invalid constant type"
const _ = myPointer(uintptr(1)) // ERROR "is not (a )?constant|invalid constant type"

const _ = (*int)(unsafe.Pointer(uintptr(1))) // ERROR "is not (a )?constant|invalid constant type"
const _ = (*int)(myPointer(uintptr(1))) // ERROR "is not (a )?constant|invalid constant type"

const _ = uintptr(unsafe.Pointer(uintptr(1))) // ERROR "is not (a )?constant|expression is not constant"
const _ = uintptr(myPointer(uintptr(1))) // ERROR "is not (a )?constant|expression is no constant"

const _ = []byte("") // ERROR "is not (a )?constant|invalid constant type"
const _ = []rune("") // ERROR "is not (a )?constant|invalid constant type"