| // Copyright (c) 2012 Google Inc. All rights reserved. | |
| // Use of this source code is governed by a BSD-style license that can be | |
| // found in the LICENSE file. | |
| template <bool> | |
| struct CompileAssert { | |
| }; | |
| #define COMPILE_ASSERT(expr, msg) \ | |
| typedef CompileAssert<(bool(expr))> msg[bool(expr) ? 1 : -1] | |
| int main() { | |
| COMPILE_ASSERT(char(-1) > 0, default_char_is_unsigned); | |
| return 0; | |
| } |