| // Copyright Kevlin Henney, 2000-2005. |
| // Copyright Alexander Nasonov, 2006-2010. |
| // Copyright Antony Polukhin, 2011-2014. |
| // |
| // 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_LCAST_CHAR_CONSTANTS_HPP |
| #define BOOST_LEXICAL_CAST_DETAIL_LCAST_CHAR_CONSTANTS_HPP |
| |
| #include <boost/config.hpp> |
| #ifdef BOOST_HAS_PRAGMA_ONCE |
| # pragma once |
| #endif |
| |
| namespace boost |
| { |
| namespace detail // '0', '-', '+', 'e', 'E' and '.' constants |
| { |
| template < typename Char > |
| struct lcast_char_constants { |
| // We check in tests assumption that static casted character is |
| // equal to correctly written C++ literal: U'0' == static_cast<char32_t>('0') |
| BOOST_STATIC_CONSTANT(Char, zero = static_cast<Char>('0')); |
| BOOST_STATIC_CONSTANT(Char, minus = static_cast<Char>('-')); |
| BOOST_STATIC_CONSTANT(Char, plus = static_cast<Char>('+')); |
| BOOST_STATIC_CONSTANT(Char, lowercase_e = static_cast<Char>('e')); |
| BOOST_STATIC_CONSTANT(Char, capital_e = static_cast<Char>('E')); |
| BOOST_STATIC_CONSTANT(Char, c_decimal_separator = static_cast<Char>('.')); |
| }; |
| } |
| } // namespace boost |
| |
| |
| #endif // BOOST_LEXICAL_CAST_DETAIL_LCAST_CHAR_CONSTANTS_HPP |
| |