/usr/include/boost/multi_index/detail
Edit: /usr/include/boost/multi_index/detail/hash_index_args.hpp (3066B)
/* Copyright 2003-2013 Joaquin M Lopez Munoz.
* Distributed under 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/multi_index for library home page.
*/
#ifndef BOOST_MULTI_INDEX_DETAIL_HASH_INDEX_ARGS_HPP
#define BOOST_MULTI_INDEX_DETAIL_HASH_INDEX_ARGS_HPP
#if defined(_MSC_VER)
#pragma once
#endif
#include
/* keep it first to prevent nasty warns in MSVC */
#include
#include
#include
#include
#include
#include
#include
#include
#include
namespace boost{
namespace multi_index{
namespace detail{
/* Hashed index specifiers can be instantiated in two forms:
*
* (hashed_unique|hashed_non_unique)<
* KeyFromValue,
* Hash=boost::hash,
* Pred=std::equal_to >
* (hashed_unique|hashed_non_unique)<
* TagList,
* KeyFromValue,
* Hash=boost::hash,
* Pred=std::equal_to >
*
* hashed_index_args implements the machinery to accept this
* argument-dependent polymorphism.
*/
template
struct index_args_default_hash
{
typedef ::boost::hash type;
};
template
struct index_args_default_pred
{
typedef std::equal_to type;
};
template
struct hashed_index_args
{
typedef is_tag full_form;
typedef typename mpl::if_<
full_form,
Arg1,
tag< > >::type tag_list_type;
typedef typename mpl::if_<
full_form,
Arg2,
Arg1>::type key_from_value_type;
typedef typename mpl::if_<
full_form,
Arg3,
Arg2>::type supplied_hash_type;
typedef typename mpl::eval_if<
mpl::is_na,
index_args_default_hash,
mpl::identity
>::type hash_type;
typedef typename mpl::if_<
full_form,
Arg4,
Arg3>::type supplied_pred_type;
typedef typename mpl::eval_if<
mpl::is_na,
index_args_default_pred,
mpl::identity
>::type pred_type;
BOOST_STATIC_ASSERT(is_tag::value);
BOOST_STATIC_ASSERT(!mpl::is_na::value);
BOOST_STATIC_ASSERT(!mpl::is_na::value);
BOOST_STATIC_ASSERT(!mpl::is_na::value);
};
} /* namespace multi_index::detail */
} /* namespace multi_index */
} /* namespace boost */
#endif