593 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			593 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
/*=============================================================================
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    Copyright (c) 2001-2003 Joel de Guzman
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    http://spirit.sourceforge.net/
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    Use, modification and distribution is subject to the Boost Software
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    License, Version 1.0. (See 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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#ifndef BOOST_SPIRIT_CHSET_OPERATORS_IPP
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#define BOOST_SPIRIT_CHSET_OPERATORS_IPP
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///////////////////////////////////////////////////////////////////////////////
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#include <boost/limits.hpp>
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///////////////////////////////////////////////////////////////////////////////
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namespace boost { namespace spirit {
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BOOST_SPIRIT_CLASSIC_NAMESPACE_BEGIN
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///////////////////////////////////////////////////////////////////////////////
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//
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//  chset free operators implementation
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//
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///////////////////////////////////////////////////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator|(chset<CharT> const& a, chset<CharT> const& b)
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{
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    return chset<CharT>(a) |= b;
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator-(chset<CharT> const& a, chset<CharT> const& b)
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{
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    return chset<CharT>(a) -= b;
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator~(chset<CharT> const& a)
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{
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    return chset<CharT>(a).inverse();
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator&(chset<CharT> const& a, chset<CharT> const& b)
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{
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    return chset<CharT>(a) &= b;
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator^(chset<CharT> const& a, chset<CharT> const& b)
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{
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    return chset<CharT>(a) ^= b;
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}
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///////////////////////////////////////////////////////////////////////////////
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//
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//  range <--> chset free operators implementation
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//
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///////////////////////////////////////////////////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator|(chset<CharT> const& a, range<CharT> const& b)
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{
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    chset<CharT> a_(a);
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    a_.set(b);
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    return a_;
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator&(chset<CharT> const& a, range<CharT> const& b)
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{
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    chset<CharT> a_(a);
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    if(b.first != (std::numeric_limits<CharT>::min)()) {
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        a_.clear(range<CharT>((std::numeric_limits<CharT>::min)(), b.first - 1));
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    }
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    if(b.last != (std::numeric_limits<CharT>::max)()) {
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        a_.clear(range<CharT>(b.last + 1, (std::numeric_limits<CharT>::max)()));
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    }
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    return a_;
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator-(chset<CharT> const& a, range<CharT> const& b)
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{
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    chset<CharT> a_(a);
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    a_.clear(b);
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    return a_;
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator^(chset<CharT> const& a, range<CharT> const& b)
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{
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    return a ^ chset<CharT>(b);
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator|(range<CharT> const& a, chset<CharT> const& b)
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{
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    chset<CharT> b_(b);
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    b_.set(a);
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    return b_;
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator&(range<CharT> const& a, chset<CharT> const& b)
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{
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    chset<CharT> b_(b);
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    if(a.first != (std::numeric_limits<CharT>::min)()) {
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        b_.clear(range<CharT>((std::numeric_limits<CharT>::min)(), a.first - 1));
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    }
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    if(a.last != (std::numeric_limits<CharT>::max)()) {
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        b_.clear(range<CharT>(a.last + 1, (std::numeric_limits<CharT>::max)()));
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    }
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    return b_;
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator-(range<CharT> const& a, chset<CharT> const& b)
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{
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    return chset<CharT>(a) - b;
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator^(range<CharT> const& a, chset<CharT> const& b)
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{
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    return chset<CharT>(a) ^ b;
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}
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///////////////////////////////////////////////////////////////////////////////
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//
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//  literal primitives <--> chset free operators implementation
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//
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///////////////////////////////////////////////////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator|(chset<CharT> const& a, CharT b)
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{
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    return a | chset<CharT>(b);
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator&(chset<CharT> const& a, CharT b)
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{
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    return a & chset<CharT>(b);
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator-(chset<CharT> const& a, CharT b)
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{
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    return a - chset<CharT>(b);
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator^(chset<CharT> const& a, CharT b)
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{
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    return a ^ chset<CharT>(b);
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator|(CharT a, chset<CharT> const& b)
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{
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    return chset<CharT>(a) | b;
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator&(CharT a, chset<CharT> const& b)
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{
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    return chset<CharT>(a) & b;
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator-(CharT a, chset<CharT> const& b)
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{
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    return chset<CharT>(a) - b;
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator^(CharT a, chset<CharT> const& b)
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{
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    return chset<CharT>(a) ^ b;
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}
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///////////////////////////////////////////////////////////////////////////////
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//
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//  chlit <--> chset free operators implementation
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//
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///////////////////////////////////////////////////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator|(chset<CharT> const& a, chlit<CharT> const& b)
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{
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    return a | chset<CharT>(b.ch);
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator&(chset<CharT> const& a, chlit<CharT> const& b)
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{
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    return a & chset<CharT>(b.ch);
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator-(chset<CharT> const& a, chlit<CharT> const& b)
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{
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    return a - chset<CharT>(b.ch);
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator^(chset<CharT> const& a, chlit<CharT> const& b)
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{
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    return a ^ chset<CharT>(b.ch);
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator|(chlit<CharT> const& a, chset<CharT> const& b)
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{
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    return chset<CharT>(a.ch) | b;
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator&(chlit<CharT> const& a, chset<CharT> const& b)
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{
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    return chset<CharT>(a.ch) & b;
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator-(chlit<CharT> const& a, chset<CharT> const& b)
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{
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    return chset<CharT>(a.ch) - b;
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator^(chlit<CharT> const& a, chset<CharT> const& b)
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{
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    return chset<CharT>(a.ch) ^ b;
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}
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///////////////////////////////////////////////////////////////////////////////
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//
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//  negated_char_parser<range> <--> chset free operators implementation
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//
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///////////////////////////////////////////////////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator|(chset<CharT> const& a, negated_char_parser<range<CharT> > const& b)
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{
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    return a | chset<CharT>(b);
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator&(chset<CharT> const& a, negated_char_parser<range<CharT> > const& b)
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{
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    return a & chset<CharT>(b);
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator-(chset<CharT> const& a, negated_char_parser<range<CharT> > const& b)
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{
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    return a - chset<CharT>(b);
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator^(chset<CharT> const& a, negated_char_parser<range<CharT> > const& b)
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{
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    return a ^ chset<CharT>(b);
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator|(negated_char_parser<range<CharT> > const& a, chset<CharT> const& b)
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{
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    return chset<CharT>(a) | b;
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator&(negated_char_parser<range<CharT> > const& a, chset<CharT> const& b)
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{
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    return chset<CharT>(a) & b;
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator-(negated_char_parser<range<CharT> > const& a, chset<CharT> const& b)
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{
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    return chset<CharT>(a) - b;
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator^(negated_char_parser<range<CharT> > const& a, chset<CharT> const& b)
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{
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    return chset<CharT>(a) ^ b;
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}
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///////////////////////////////////////////////////////////////////////////////
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//
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//  negated_char_parser<chlit> <--> chset free operators implementation
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//
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///////////////////////////////////////////////////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator|(chset<CharT> const& a, negated_char_parser<chlit<CharT> > const& b)
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{
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    return a | chset<CharT>(b);
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator&(chset<CharT> const& a, negated_char_parser<chlit<CharT> > const& b)
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{
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    return a & chset<CharT>(b);
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator-(chset<CharT> const& a, negated_char_parser<chlit<CharT> > const& b)
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{
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    return a - chset<CharT>(b);
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator^(chset<CharT> const& a, negated_char_parser<chlit<CharT> > const& b)
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{
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    return a ^ chset<CharT>(b);
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator|(negated_char_parser<chlit<CharT> > const& a, chset<CharT> const& b)
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{
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    return chset<CharT>(a) | b;
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator&(negated_char_parser<chlit<CharT> > const& a, chset<CharT> const& b)
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{
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    return chset<CharT>(a) & b;
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator-(negated_char_parser<chlit<CharT> > const& a, chset<CharT> const& b)
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{
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    return chset<CharT>(a) - b;
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
 | 
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operator^(negated_char_parser<chlit<CharT> > const& a, chset<CharT> const& b)
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{
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    return chset<CharT>(a) ^ b;
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}
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///////////////////////////////////////////////////////////////////////////////
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//
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//  anychar_parser <--> chset free operators
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//
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//      Where a is chset and b is a anychar_parser, and vice-versa, implements:
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//
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//          a | b, a & b, a - b, a ^ b
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//
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///////////////////////////////////////////////////////////////////////////////
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namespace impl {
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    template <typename CharT>
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    inline BOOST_SPIRIT_CLASSIC_NS::range<CharT> const&
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    full()
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    {
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        static BOOST_SPIRIT_CLASSIC_NS::range<CharT> full_(
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            (std::numeric_limits<CharT>::min)(),
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            (std::numeric_limits<CharT>::max)());
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        return full_;
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    }
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    template <typename CharT>
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    inline BOOST_SPIRIT_CLASSIC_NS::range<CharT> const&
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    empty()
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    {
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        static BOOST_SPIRIT_CLASSIC_NS::range<CharT> empty_;
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        return empty_;
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    }
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator|(chset<CharT> const&, anychar_parser)
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{
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    return chset<CharT>(impl::full<CharT>());
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator&(chset<CharT> const& a, anychar_parser)
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{
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    return a;
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator-(chset<CharT> const&, anychar_parser)
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{
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    return chset<CharT>();
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator^(chset<CharT> const& a, anychar_parser)
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{
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    return ~a;
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}
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//////////////////////////////////
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template <typename CharT>
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inline chset<CharT>
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operator|(anychar_parser, chset<CharT> const& /*b*/)
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						|
{
 | 
						|
    return chset<CharT>(impl::full<CharT>());
 | 
						|
}
 | 
						|
 | 
						|
//////////////////////////////////
 | 
						|
template <typename CharT>
 | 
						|
inline chset<CharT>
 | 
						|
operator&(anychar_parser, chset<CharT> const& b)
 | 
						|
{
 | 
						|
    return b;
 | 
						|
}
 | 
						|
 | 
						|
//////////////////////////////////
 | 
						|
template <typename CharT>
 | 
						|
inline chset<CharT>
 | 
						|
operator-(anychar_parser, chset<CharT> const& b)
 | 
						|
{
 | 
						|
    return ~b;
 | 
						|
}
 | 
						|
 | 
						|
//////////////////////////////////
 | 
						|
template <typename CharT>
 | 
						|
inline chset<CharT>
 | 
						|
operator^(anychar_parser, chset<CharT> const& b)
 | 
						|
{
 | 
						|
    return ~b;
 | 
						|
}
 | 
						|
 | 
						|
///////////////////////////////////////////////////////////////////////////////
 | 
						|
//
 | 
						|
//  nothing_parser <--> chset free operators implementation
 | 
						|
//
 | 
						|
///////////////////////////////////////////////////////////////////////////////
 | 
						|
template <typename CharT>
 | 
						|
inline chset<CharT>
 | 
						|
operator|(chset<CharT> const& a, nothing_parser)
 | 
						|
{
 | 
						|
    return a;
 | 
						|
}
 | 
						|
 | 
						|
//////////////////////////////////
 | 
						|
template <typename CharT>
 | 
						|
inline chset<CharT>
 | 
						|
operator&(chset<CharT> const& /*a*/, nothing_parser)
 | 
						|
{
 | 
						|
    return impl::empty<CharT>();
 | 
						|
}
 | 
						|
 | 
						|
//////////////////////////////////
 | 
						|
template <typename CharT>
 | 
						|
inline chset<CharT>
 | 
						|
operator-(chset<CharT> const& a, nothing_parser)
 | 
						|
{
 | 
						|
    return a;
 | 
						|
}
 | 
						|
 | 
						|
//////////////////////////////////
 | 
						|
template <typename CharT>
 | 
						|
inline chset<CharT>
 | 
						|
operator^(chset<CharT> const& a, nothing_parser)
 | 
						|
{
 | 
						|
    return a;
 | 
						|
}
 | 
						|
 | 
						|
//////////////////////////////////
 | 
						|
template <typename CharT>
 | 
						|
inline chset<CharT>
 | 
						|
operator|(nothing_parser, chset<CharT> const& b)
 | 
						|
{
 | 
						|
    return b;
 | 
						|
}
 | 
						|
 | 
						|
//////////////////////////////////
 | 
						|
template <typename CharT>
 | 
						|
inline chset<CharT>
 | 
						|
operator&(nothing_parser, chset<CharT> const& /*b*/)
 | 
						|
{
 | 
						|
    return impl::empty<CharT>();
 | 
						|
}
 | 
						|
 | 
						|
//////////////////////////////////
 | 
						|
template <typename CharT>
 | 
						|
inline chset<CharT>
 | 
						|
operator-(nothing_parser, chset<CharT> const& /*b*/)
 | 
						|
{
 | 
						|
    return impl::empty<CharT>();
 | 
						|
}
 | 
						|
 | 
						|
//////////////////////////////////
 | 
						|
template <typename CharT>
 | 
						|
inline chset<CharT>
 | 
						|
operator^(nothing_parser, chset<CharT> const& b)
 | 
						|
{
 | 
						|
    return b;
 | 
						|
}
 | 
						|
 | 
						|
///////////////////////////////////////////////////////////////////////////////
 | 
						|
BOOST_SPIRIT_CLASSIC_NAMESPACE_END
 | 
						|
 | 
						|
}} // namespace boost::spirit
 | 
						|
 | 
						|
#endif
 | 
						|
 |