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47 lines
1.9 KiB
C++
47 lines
1.9 KiB
C++
// Copyright Kevlin Henney, 2000-2005.
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// Copyright Alexander Nasonov, 2006-2010.
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// Copyright Antony Polukhin, 2011-2019.
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// what: lexical_cast custom keyword cast
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// who: contributed by Kevlin Henney,
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// enhanced with contributions from Terje Slettebo,
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// with additional fixes and suggestions from Gennaro Prota,
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// Beman Dawes, Dave Abrahams, Daryle Walker, Peter Dimov,
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// Alexander Nasonov, Antony Polukhin, Justin Viiret, Michael Hofmann,
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// Cheng Yang, Matthew Bradbury, David W. Birdsall, Pavel Korzh and other Boosters
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// when: November 2000, March 2003, June 2005, June 2006, March 2011 - 2014
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#ifndef BOOST_LEXICAL_CAST_DETAIL_LCAST_CHAR_CONSTANTS_HPP
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#define BOOST_LEXICAL_CAST_DETAIL_LCAST_CHAR_CONSTANTS_HPP
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#include <boost/config.hpp>
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#ifdef BOOST_HAS_PRAGMA_ONCE
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# pragma once
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#endif
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namespace boost
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{
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namespace detail // '0', '-', '+', 'e', 'E' and '.' constants
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{
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template < typename Char >
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struct lcast_char_constants {
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// We check in tests assumption that static casted character is
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// equal to correctly written C++ literal: U'0' == static_cast<char32_t>('0')
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BOOST_STATIC_CONSTANT(Char, zero = static_cast<Char>('0'));
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BOOST_STATIC_CONSTANT(Char, minus = static_cast<Char>('-'));
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BOOST_STATIC_CONSTANT(Char, plus = static_cast<Char>('+'));
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BOOST_STATIC_CONSTANT(Char, lowercase_e = static_cast<Char>('e'));
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BOOST_STATIC_CONSTANT(Char, capital_e = static_cast<Char>('E'));
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BOOST_STATIC_CONSTANT(Char, c_decimal_separator = static_cast<Char>('.'));
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};
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}
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} // namespace boost
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#endif // BOOST_LEXICAL_CAST_DETAIL_LCAST_CHAR_CONSTANTS_HPP
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