File: default-char-is-unsigned.cc

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// 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;
}