52 lines
1.3 KiB
C++
52 lines
1.3 KiB
C++
|
//---------------------------------------------------------------------------//
|
||
|
// Copyright (c) 2013 Kyle Lutz <kyle.r.lutz@gmail.com>
|
||
|
//
|
||
|
// 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
|
||
|
//
|
||
|
// See http://boostorg.github.com/compute for more information.
|
||
|
//---------------------------------------------------------------------------//
|
||
|
|
||
|
#ifndef BOOST_COMPUTE_FUNCTIONAL_CONVERT_HPP
|
||
|
#define BOOST_COMPUTE_FUNCTIONAL_CONVERT_HPP
|
||
|
|
||
|
namespace boost {
|
||
|
namespace compute {
|
||
|
namespace detail {
|
||
|
|
||
|
template<class T, class Arg>
|
||
|
struct invoked_convert
|
||
|
{
|
||
|
invoked_convert(const Arg &arg)
|
||
|
: m_arg(arg)
|
||
|
{
|
||
|
}
|
||
|
|
||
|
Arg m_arg;
|
||
|
};
|
||
|
|
||
|
} // end detail namespace
|
||
|
|
||
|
/// The \ref convert function converts its argument to type \c T (similar to
|
||
|
/// static_cast<T>).
|
||
|
///
|
||
|
/// \see \ref as "as<T>"
|
||
|
template<class T>
|
||
|
struct convert
|
||
|
{
|
||
|
typedef T result_type;
|
||
|
|
||
|
/// \internal_
|
||
|
template<class Arg>
|
||
|
detail::invoked_convert<T, Arg> operator()(const Arg &arg) const
|
||
|
{
|
||
|
return detail::invoked_convert<T, Arg>(arg);
|
||
|
}
|
||
|
};
|
||
|
|
||
|
} // end compute namespace
|
||
|
} // end boost namespace
|
||
|
|
||
|
#endif // BOOST_COMPUTE_FUNCTIONAL_CONVERT_HPP
|