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Add mp_map_find.

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This commit is contained in:
Peter Dimov
2016-11-17 02:01:50 +02:00
parent 7a0f4001e7
commit 9735300f85
3 changed files with 59 additions and 2 deletions
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10
include/boost/mp11/map.hpp
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@@ -1,21 +1,27 @@
#ifndef BOOST_MP11_MAP_HPP_INCLUDED
#define BOOST_MP11_MAP_HPP_INCLUDED
// Copyright 2015 Peter Dimov.
// Copyright 2015, 2016 Peter Dimov.
//
// 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
#include <boost/mp11/detail/mp_map_find.hpp>
#include <boost/mp11/integral.hpp>
#include <type_traits>
namespace boost
{
// mp_map_find<M, K>
// mp_map_contains<M, K>
template<class M, class K> using mp_map_contains = mp_not<std::is_same<mp_map_find<M, K>, void>>;
// mp_map_insert<M, T>
// mp_map_replace<M, T>
// mp_map_update<M, T, F>
// mp_map_erase<M, K>
} // namespace boost

3
test/Jamfile.v2
View File

@@ -88,3 +88,6 @@ run mp_all.cpp : : : $(REQ) ;
run mp_and.cpp : : : $(REQ) ;
run mp_any.cpp : : : $(REQ) ;
run mp_or.cpp : : : $(REQ) ;
# map
run mp_map_find.cpp : : : $(REQ) ;

48
test/mp_map_find.cpp Normal file
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@@ -0,0 +1,48 @@
// Copyright 2016 Peter Dimov.
//
// 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
#include <boost/mp11/map.hpp>
#include <boost/mp11/list.hpp>
#include <boost/core/lightweight_test_trait.hpp>
#include <type_traits>
#include <tuple>
#include <utility>
int main()
{
using boost::mp_map_find;
using boost::mp_list;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_map_find<mp_list<>, char>, void>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_map_find<std::tuple<>, int>, void>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_map_find<mp_list<std::pair<int, int const>, std::pair<long, long const>>, char>, void>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_map_find<mp_list<std::pair<int, int const>, std::pair<long, long const>>, int>, std::pair<int, int const>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_map_find<mp_list<std::pair<int, int const>, std::pair<long, long const>>, long>, std::pair<long, long const>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_map_find<std::tuple<std::pair<int, int const>, std::pair<long, long const>>, char>, void>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_map_find<std::tuple<std::pair<int, int const>, std::pair<long, long const>>, int>, std::pair<int, int const>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_map_find<std::tuple<std::pair<int, int const>, std::pair<long, long const>>, long>, std::pair<long, long const>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_map_find<std::pair<std::pair<int, int const>, std::pair<long, long const>>, char>, void>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_map_find<std::pair<std::pair<int, int const>, std::pair<long, long const>>, int>, std::pair<int, int const>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_map_find<std::pair<std::pair<int, int const>, std::pair<long, long const>>, long>, std::pair<long, long const>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_map_find<mp_list<mp_list<int>, mp_list<long, long>, mp_list<long long, long long, long long>>, char>, void>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_map_find<mp_list<mp_list<int>, mp_list<long, long>, mp_list<long long, long long, long long>>, int>, mp_list<int>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_map_find<mp_list<mp_list<int>, mp_list<long, long>, mp_list<long long, long long, long long>>, long>, mp_list<long, long>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_map_find<mp_list<mp_list<int>, mp_list<long, long>, mp_list<long long, long long, long long>>, long long>, mp_list<long long, long long, long long>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_map_find<std::tuple<mp_list<int>, std::pair<long, long>, std::tuple<long long, long long, long long>>, char>, void>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_map_find<std::tuple<mp_list<int>, std::pair<long, long>, std::tuple<long long, long long, long long>>, int>, mp_list<int>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_map_find<std::tuple<mp_list<int>, std::pair<long, long>, std::tuple<long long, long long, long long>>, long>, std::pair<long, long>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_map_find<std::tuple<mp_list<int>, std::pair<long, long>, std::tuple<long long, long long, long long>>, long long>, std::tuple<long long, long long, long long>>));
return boost::report_errors();
}