// Copyright Kevlin Henney, 2000-2005.
|
// Copyright Alexander Nasonov, 2006-2010.
|
// Copyright Antony Polukhin, 2011-2020.
|
//
|
// 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)
|
//
|
// what: lexical_cast custom keyword cast
|
// who: contributed by Kevlin Henney,
|
// enhanced with contributions from Terje Slettebo,
|
// with additional fixes and suggestions from Gennaro Prota,
|
// Beman Dawes, Dave Abrahams, Daryle Walker, Peter Dimov,
|
// Alexander Nasonov, Antony Polukhin, Justin Viiret, Michael Hofmann,
|
// Cheng Yang, Matthew Bradbury, David W. Birdsall, Pavel Korzh and other Boosters
|
// when: November 2000, March 2003, June 2005, June 2006, March 2011 - 2014
|
|
#ifndef BOOST_LEXICAL_CAST_DETAIL_WIDEST_CHAR_HPP
|
#define BOOST_LEXICAL_CAST_DETAIL_WIDEST_CHAR_HPP
|
|
#include <boost/config.hpp>
|
#ifdef BOOST_HAS_PRAGMA_ONCE
|
# pragma once
|
#endif
|
|
|
#include <boost/type_traits/conditional.hpp>
|
|
namespace boost { namespace detail {
|
|
template <typename TargetChar, typename SourceChar>
|
struct widest_char {
|
typedef BOOST_DEDUCED_TYPENAME boost::conditional<
|
(sizeof(TargetChar) > sizeof(SourceChar))
|
, TargetChar
|
, SourceChar
|
>::type type;
|
};
|
|
}} // namespace boost::detail
|
|
#endif // BOOST_LEXICAL_CAST_DETAIL_WIDEST_CHAR_HPP
|
