File: implicit_cast.hpp

package info (click to toggle)
boost1.62 1.62.0+dfsg-10
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 687,152 kB
  • sloc: cpp: 2,613,639; xml: 972,558; ansic: 53,674; python: 32,448; sh: 9,305; asm: 3,071; cs: 2,121; makefile: 967; perl: 859; yacc: 472; php: 132; ruby: 94; f90: 55; sql: 13; csh: 6
file content (36 lines) | stat: -rw-r--r-- 883 bytes parent folder | download | duplicates (13)
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
// Copyright David Abrahams 2003.
// Distributed under 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)
#ifndef IMPLICIT_CAST_DWA200356_HPP
# define IMPLICIT_CAST_DWA200356_HPP

namespace boost {

namespace detail {

template<class T> struct icast_identity
{
    typedef T type;
};

} // namespace detail

// implementation originally suggested by C. Green in
// http://lists.boost.org/MailArchives/boost/msg00886.php

// The use of identity creates a non-deduced form, so that the
// explicit template argument must be supplied
template <typename T>
inline T implicit_cast (typename boost::detail::icast_identity<T>::type x) {
    return x;
}

// incomplete return type now is here
//template <typename T>
//void implicit_cast (...);

} // namespace boost


#endif // IMPLICIT_CAST_DWA200356_HPP