ceph/src/boost/boost/lexical_cast/detail/lcast_char_constants.hpp

   1 // Copyright Kevlin Henney, 2000-2005.
   2 // Copyright Alexander Nasonov, 2006-2010.
   3 // Copyright Antony Polukhin, 2011-2014.
   4 //
   5 // Distributed under the Boost Software License, Version 1.0. (See
   6 // accompanying file LICENSE_1_0.txt or copy at
   7 // http://www.boost.org/LICENSE_1_0.txt)
   8 //
   9 // what:  lexical_cast custom keyword cast
  10 // who:   contributed by Kevlin Henney,
  11 //        enhanced with contributions from Terje Slettebo,
  12 //        with additional fixes and suggestions from Gennaro Prota,
  13 //        Beman Dawes, Dave Abrahams, Daryle Walker, Peter Dimov,
  14 //        Alexander Nasonov, Antony Polukhin, Justin Viiret, Michael Hofmann,
  15 //        Cheng Yang, Matthew Bradbury, David W. Birdsall, Pavel Korzh and other Boosters
  16 // when:  November 2000, March 2003, June 2005, June 2006, March 2011 - 2014
  17
  18 #ifndef BOOST_LEXICAL_CAST_DETAIL_LCAST_CHAR_CONSTANTS_HPP
  19 #define BOOST_LEXICAL_CAST_DETAIL_LCAST_CHAR_CONSTANTS_HPP
  20
  21 #include <boost/config.hpp>
  22 #ifdef BOOST_HAS_PRAGMA_ONCE
  23 #   pragma once
  24 #endif
  25
  26 namespace boost
  27 {
  28     namespace detail // '0', '-', '+', 'e', 'E' and '.' constants
  29     {
  30         template < typename Char >
  31         struct lcast_char_constants {
  32             // We check in tests assumption that static casted character is
  33             // equal to correctly written C++ literal: U'0' == static_cast<char32_t>('0')
  34             BOOST_STATIC_CONSTANT(Char, zero  = static_cast<Char>('0'));
  35             BOOST_STATIC_CONSTANT(Char, minus = static_cast<Char>('-'));
  36             BOOST_STATIC_CONSTANT(Char, plus = static_cast<Char>('+'));
  37             BOOST_STATIC_CONSTANT(Char, lowercase_e = static_cast<Char>('e'));
  38             BOOST_STATIC_CONSTANT(Char, capital_e = static_cast<Char>('E'));
  39             BOOST_STATIC_CONSTANT(Char, c_decimal_separator = static_cast<Char>('.'));
  40         };
  41     }
  42 } // namespace boost
  43
  44
  45 #endif // BOOST_LEXICAL_CAST_DETAIL_LCAST_CHAR_CONSTANTS_HPP
  46