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Contents
// (C) Copyright Dave Abrahams, Steve Cleary, Beman Dawes,
// Howard Hinnant and John Maddock 2000.
// (C) Copyright Mat Marcus, Jesse Jones and Adobe Systems Inc 2001
// 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/libs/type_traits for most recent version including documentation.
// Fixed is_pointer, is_reference, is_const, is_volatile, is_same,
// is_member_pointer based on the Simulated Partial Specialization work
// of Mat Marcus and Jesse Jones. See http://opensource.adobe.com or
// http://groups.yahoo.com/group/boost/message/5441
// Some workarounds in here use ideas suggested from "Generic<Programming>:
// Mappings between Types and Values"
// by Andrei Alexandrescu (see http://www.cuj.com/experts/1810/alexandr.html).
#ifndef BOOST_TT_IS_CONST_HPP_INCLUDED
#define BOOST_TT_IS_CONST_HPP_INCLUDED
#include <cstddef> // size_t
#include <boost/type_traits/integral_constant.hpp>
namespace boost {
#if defined( BOOST_CODEGEARC )
template <class T>
struct is_const : public integral_constant<bool, __is_const(T)> {};
#else
template <class T>
struct is_const : public false_type {};
template <class T> struct is_const<T const> : public true_type{};
template <class T, std::size_t N> struct is_const<T const[N]> : public true_type{};
template <class T> struct is_const<T const[]> : public true_type{};
#endif
} // namespace boost
#endif // BOOST_TT_IS_CONST_HPP_INCLUDED
Version data entries
14 entries across 14 versions & 1 rubygems