Chris@102: // Copyright Kevlin Henney, 2000-2005.
Chris@102: // Copyright Alexander Nasonov, 2006-2010.
Chris@102: // Copyright Antony Polukhin, 2011-2014.
Chris@102: //
Chris@102: // Distributed under the Boost Software License, Version 1.0. (See
Chris@102: // accompanying file LICENSE_1_0.txt or copy at
Chris@102: // http://www.boost.org/LICENSE_1_0.txt)
Chris@102: //
Chris@102: // what:  lexical_cast custom keyword cast
Chris@102: // who:   contributed by Kevlin Henney,
Chris@102: //        enhanced with contributions from Terje Slettebo,
Chris@102: //        with additional fixes and suggestions from Gennaro Prota,
Chris@102: //        Beman Dawes, Dave Abrahams, Daryle Walker, Peter Dimov,
Chris@102: //        Alexander Nasonov, Antony Polukhin, Justin Viiret, Michael Hofmann,
Chris@102: //        Cheng Yang, Matthew Bradbury, David W. Birdsall, Pavel Korzh and other Boosters
Chris@102: // when:  November 2000, March 2003, June 2005, June 2006, March 2011 - 2014
Chris@102: 
Chris@102: #ifndef BOOST_LEXICAL_CAST_DETAIL_LCAST_CHAR_CONSTANTS_HPP
Chris@102: #define BOOST_LEXICAL_CAST_DETAIL_LCAST_CHAR_CONSTANTS_HPP
Chris@102: 
Chris@102: #include <boost/config.hpp>
Chris@102: #ifdef BOOST_HAS_PRAGMA_ONCE
Chris@102: #   pragma once
Chris@102: #endif
Chris@102: 
Chris@102: namespace boost 
Chris@102: {
Chris@102:     namespace detail // '0', '-', '+', 'e', 'E' and '.' constants
Chris@102:     {
Chris@102:         template < typename Char >
Chris@102:         struct lcast_char_constants {
Chris@102:             // We check in tests assumption that static casted character is
Chris@102:             // equal to correctly written C++ literal: U'0' == static_cast<char32_t>('0')
Chris@102:             BOOST_STATIC_CONSTANT(Char, zero  = static_cast<Char>('0'));
Chris@102:             BOOST_STATIC_CONSTANT(Char, minus = static_cast<Char>('-'));
Chris@102:             BOOST_STATIC_CONSTANT(Char, plus = static_cast<Char>('+'));
Chris@102:             BOOST_STATIC_CONSTANT(Char, lowercase_e = static_cast<Char>('e'));
Chris@102:             BOOST_STATIC_CONSTANT(Char, capital_e = static_cast<Char>('E'));
Chris@102:             BOOST_STATIC_CONSTANT(Char, c_decimal_separator = static_cast<Char>('.'));
Chris@102:         };
Chris@102:     }
Chris@102: } // namespace boost
Chris@102: 
Chris@102: 
Chris@102: #endif // BOOST_LEXICAL_CAST_DETAIL_LCAST_CHAR_CONSTANTS_HPP
Chris@102: