Subversion Repositories openrisc_2011-10-31

// { dg-options "-std=gnu++0x" }

// { dg-do compile }

// 2009-11-12  Paolo Carlini  <paolo.carlini@oracle.com>

//

// Copyright (C) 2009 Free Software Foundation, Inc.

//

// This file is part of the GNU ISO C++ Library.  This library is free

// software; you can redistribute it and/or modify it under the

// terms of the GNU General Public License as published by the

// Free Software Foundation; either version 3, or (at your option)

// any later version.

//

// This library is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

//

// You should have received a copy of the GNU General Public License along

// with this library; see the file COPYING3.  If not see

// <http://www.gnu.org/licenses/>.

#include <utility>

template<typename From, typename To>

  struct is_convertible_mini

  {

  private:

    typedef char one;

    typedef struct { char arr[2]; } two;

    static one test(To);

    static two test(...);

  public:

    static const bool value = sizeof(test(std::declval<From>())) == 1;

};

template<typename From, typename To>

  const bool is_convertible_mini<From, To>::value;

void test01()

{

  static_assert(is_convertible_mini<int*, const int*>::value, "#1");

  static_assert(!is_convertible_mini<const void*, void*>::value, "#2");

  static_assert(is_convertible_mini<float, double>::value, "#3");

  static_assert(!is_convertible_mini<bool, int*>::value, "#4");

  static_assert(is_convertible_mini<int(&)(int), int(*)(int)>::value, "#5");

  static_assert(!is_convertible_mini<void*, int*>::value, "#6");

}