sigx++  2.0.1
static_assert.h
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1 #ifndef _SIGX_STATIC_ASSERT_HPP_
2 #define _SIGX_STATIC_ASSERT_HPP_
3 
4 /*
5  * Copyright 2006 Klaus Triendl
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Library General Public
9  * License as published by the Free Software Foundation; either
10  * version 2 of the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Library General Public License for more details.
16  *
17  * You should have received a copy of the GNU Library General Public
18  * License along with this library; if not, write to the Free
19  * Software Foundation, 51 Franklin Street, Fifth Floor,
20  * Boston, MA 02110-1301, USA.
21 */
22 
29 namespace sigx
30 {
31 
32 // HP aCC cannot deal with missing names for template value parameters
33 template<bool B_>
35 
36 template<>
37 struct static_assert<true>
38 {};
39 
40 
41 // Not used; boost does many workarounds for different compilers to allow
42 // using a static assertion in namespace, template and class scope
43 #if 0
44 // HP aCC cannot deal with missing names for template value parameters
45 template<int I_> struct static_assert_test
46 {};
47 #endif
48 
49 
50 } // namespace sigx
51 
52 
53 #define SIGX_STATIC_ASSERT( expr ) \
54  sizeof(::sigx::static_assert< (bool)( expr ) >)
55 
56 
57 #endif // end file guard