WSJT-X/boost/lexical_cast/detail/widest_char.hpp
Bill Somerville d361e123c6 Squashed 'boost/' changes from d9443bc48..c27aa31f0
c27aa31f0 Updated Boost to v1.70.0 including iterator range math numeric crc circular_buffer multi_index intrusive

git-subtree-dir: boost
git-subtree-split: c27aa31f06ebf1a91b3fa3ae9df9b5efdf14ec9f
2019-07-02 23:38:24 +01:00

44 lines
1.4 KiB
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// Copyright Kevlin Henney, 2000-2005.
// Copyright Alexander Nasonov, 2006-2010.
// Copyright Antony Polukhin, 2011-2019.
//
// 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