File: eif_member_templates.cpp

package info (click to toggle)
boost1.83 1.83.0-5
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 545,632 kB
  • sloc: cpp: 3,857,086; xml: 125,552; ansic: 34,414; python: 25,887; asm: 5,276; sh: 4,799; ada: 1,681; makefile: 1,629; perl: 1,212; pascal: 1,139; sql: 810; yacc: 478; ruby: 102; lisp: 24; csh: 6
file content (42 lines) | stat: -rw-r--r-- 1,218 bytes parent folder | download | duplicates (14)
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
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
// Boost enable_if library

// Copyright 2003 (c) The Trustees of Indiana University.

// Use, modification, and distribution is subject to the Boost Software
// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)

//    Authors: Jaakko Jarvi (jajarvi at osl.iu.edu)
//             Jeremiah Willcock (jewillco at osl.iu.edu)
//             Andrew Lumsdaine (lums at osl.iu.edu)

#include <boost/utility/enable_if.hpp>
#include <boost/type_traits/is_arithmetic.hpp>
#include <boost/core/lightweight_test.hpp>

using boost::enable_if;
using boost::disable_if;
using boost::is_arithmetic;

struct container {
  template <class T>
  typename enable_if<is_arithmetic<T>, bool>::type
  arithmetic_object(const T&, const int* /* disambiguate */ = 0) {return true;}

  template <class T>
  typename disable_if<is_arithmetic<T>, bool>::type
  arithmetic_object(const T&) {return false;}
};

int main()
{
 
  BOOST_TEST(container().arithmetic_object(1));
  BOOST_TEST(container().arithmetic_object(1.0));

  BOOST_TEST(!container().arithmetic_object("1"));  
  BOOST_TEST(!container().arithmetic_object(static_cast<void*>(0)));  

  return boost::report_errors();
}