refactor: make talon's choice of result message easier to read in the code as per Richard's suggestion.
// (C) Copyright John Maddock 2001 - 2003.
// (C) Copyright Jens Maurer 2001.
// (C) Copyright David Abrahams 2003.
// (C) Copyright Boris Gubenko 2007.
// Use, modification and distribution are subject to 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)
// See http://www.boost.org for most recent version.
// Rogue Wave std lib:
#if !defined(__STD_RWCOMPILER_H__) && !defined(_RWSTD_VER)
# include <boost/config/no_tr1/utility.hpp>
# if !defined(__STD_RWCOMPILER_H__) && !defined(_RWSTD_VER)
# error This is not the Rogue Wave standard library
# endif
#endif
//
// figure out a consistent version number:
//
#ifndef _RWSTD_VER
# define BOOST_RWSTD_VER 0x010000
#elif _RWSTD_VER < 0x010000
# define BOOST_RWSTD_VER (_RWSTD_VER << 8)
#else
# define BOOST_RWSTD_VER _RWSTD_VER
#endif
#ifndef _RWSTD_VER
# define BOOST_STDLIB "Rogue Wave standard library version (Unknown version)"
#elif _RWSTD_VER < 0x04010200
# define BOOST_STDLIB "Rogue Wave standard library version " BOOST_STRINGIZE(_RWSTD_VER)
#else
# ifdef _RWSTD_VER_STR
# define BOOST_STDLIB "Apache STDCXX standard library version " _RWSTD_VER_STR
# else
# define BOOST_STDLIB "Apache STDCXX standard library version " BOOST_STRINGIZE(_RWSTD_VER)
# endif
#endif
//
// Prior to version 2.2.0 the primary template for std::numeric_limits
// does not have compile time constants, even though specializations of that
// template do:
//
#if BOOST_RWSTD_VER < 0x020200
# define BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS
#endif
// Sun CC 5.5 patch 113817-07 adds long long specialization, but does not change the
// library version number (http://sunsolve6.sun.com/search/document.do?assetkey=1-21-113817):
#if BOOST_RWSTD_VER <= 0x020101 && (!defined(__SUNPRO_CC) || (__SUNPRO_CC < 0x550))
# define BOOST_NO_LONG_LONG_NUMERIC_LIMITS
# endif
//
// Borland version of numeric_limits lacks __int64 specialisation:
//
#ifdef __BORLANDC__
# define BOOST_NO_MS_INT64_NUMERIC_LIMITS
#endif
//
// No std::iterator if it can't figure out default template args:
//
#if defined(_RWSTD_NO_SIMPLE_DEFAULT_TEMPLATES) || defined(RWSTD_NO_SIMPLE_DEFAULT_TEMPLATES) || (BOOST_RWSTD_VER < 0x020000)
# define BOOST_NO_STD_ITERATOR
#endif
//
// No iterator traits without partial specialization:
//
#if defined(_RWSTD_NO_CLASS_PARTIAL_SPEC) || defined(RWSTD_NO_CLASS_PARTIAL_SPEC)
# define BOOST_NO_STD_ITERATOR_TRAITS
#endif
//
// Prior to version 2.0, std::auto_ptr was buggy, and there were no
// new-style iostreams, and no conformant std::allocator:
//
#if (BOOST_RWSTD_VER < 0x020000)
# define BOOST_NO_AUTO_PTR
# define BOOST_NO_STRINGSTREAM
# define BOOST_NO_STD_ALLOCATOR
# define BOOST_NO_STD_LOCALE
#endif
//
// No template iterator constructors without member template support:
//
#if defined(RWSTD_NO_MEMBER_TEMPLATES) || defined(_RWSTD_NO_MEMBER_TEMPLATES)
# define BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS
#endif
//
// RW defines _RWSTD_ALLOCATOR if the allocator is conformant and in use
// (the or _HPACC_ part is a hack - the library seems to define _RWSTD_ALLOCATOR
// on HP aCC systems even though the allocator is in fact broken):
//
#if !defined(_RWSTD_ALLOCATOR) || (defined(__HP_aCC) && __HP_aCC <= 33100)
# define BOOST_NO_STD_ALLOCATOR
#endif
//
// If we have a std::locale, we still may not have std::use_facet:
//
#if defined(_RWSTD_NO_TEMPLATE_ON_RETURN_TYPE) && !defined(BOOST_NO_STD_LOCALE)
# define BOOST_NO_STD_USE_FACET
# define BOOST_HAS_TWO_ARG_USE_FACET
#endif
//
// There's no std::distance prior to version 2, or without
// partial specialization support:
//
#if (BOOST_RWSTD_VER < 0x020000) || defined(_RWSTD_NO_CLASS_PARTIAL_SPEC)
#define BOOST_NO_STD_DISTANCE
#endif
//
// Some versions of the rogue wave library don't have assignable
// OutputIterators:
//
#if BOOST_RWSTD_VER < 0x020100
# define BOOST_NO_STD_OUTPUT_ITERATOR_ASSIGN
#endif
//
// Disable BOOST_HAS_LONG_LONG when the library has no support for it.
//
#if !defined(_RWSTD_LONG_LONG) && defined(BOOST_HAS_LONG_LONG)
# undef BOOST_HAS_LONG_LONG
#endif
//
// check that on HP-UX, the proper RW library is used
//
#if defined(__HP_aCC) && !defined(_HP_NAMESPACE_STD)
# error "Boost requires Standard RW library. Please compile and link with -AA"
#endif
//
// Define macros specific to RW V2.2 on HP-UX
//
#if defined(__HP_aCC) && (BOOST_RWSTD_VER == 0x02020100)
# ifndef __HP_TC1_MAKE_PAIR
# define __HP_TC1_MAKE_PAIR
# endif
# ifndef _HP_INSTANTIATE_STD2_VL
# define _HP_INSTANTIATE_STD2_VL
# endif
#endif
//
// We never have the new C++0x unordered containers:
//
#define BOOST_NO_STD_UNORDERED