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Add mp_unique.

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This commit is contained in:
Peter Dimov
2015-07-24 13:45:08 +03:00
parent 26575249ff
commit e6f83a0d33
3 changed files with 69 additions and 0 deletions
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14
include/boost/mp11/algorithm.hpp
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@@ -9,6 +9,7 @@
// http://www.boost.org/LICENSE_1_0.txt // http://www.boost.org/LICENSE_1_0.txt
#include <boost/mp11/list.hpp> #include <boost/mp11/list.hpp>
#include <boost/mp11/set.hpp>
#include <boost/mp11/integral.hpp> #include <boost/mp11/integral.hpp>
#include <boost/mp11/utility.hpp> #include <boost/mp11/utility.hpp>
#include <boost/mp11/detail/mp_plus.hpp> #include <boost/mp11/detail/mp_plus.hpp>
@@ -779,6 +780,19 @@ template<template<class...> class L, class T1, class... T, class V, template<cla
template<class L, class V, template<class...> class F> using mp_reverse_fold = typename detail::mp_reverse_fold_impl<L, V, F>::type; template<class L, class V, template<class...> class F> using mp_reverse_fold = typename detail::mp_reverse_fold_impl<L, V, F>::type;
// mp_unique<L> // mp_unique<L>
namespace detail
{
template<class L> struct mp_unique_impl;
template<template<class...> class L, class... T> struct mp_unique_impl<L<T...>>
{
using type = mp_set_push_back<L<>, T...>;
};
} // namespace detail
template<class L> using mp_unique = typename detail::mp_unique_impl<L>::type;
} // namespace boost } // namespace boost

1
test/Jamfile.v2
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@@ -54,6 +54,7 @@ run mp_find_if.cpp : : : $(REQ) ;
run mp_reverse.cpp : : : $(REQ) ; run mp_reverse.cpp : : : $(REQ) ;
run mp_fold.cpp : : : $(REQ) ; run mp_fold.cpp : : : $(REQ) ;
run mp_reverse_fold.cpp : : : $(REQ) ; run mp_reverse_fold.cpp : : : $(REQ) ;
run mp_unique.cpp : : : $(REQ) ;
# integral # integral
run integral.cpp : : : $(REQ) ; run integral.cpp : : : $(REQ) ;

54
test/mp_unique.cpp Normal file
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@@ -0,0 +1,54 @@
// Copyright 2015 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/algorithm.hpp>
#include <boost/mp11/list.hpp>
#include <boost/core/lightweight_test_trait.hpp>
#include <type_traits>
#include <tuple>
int main()
{
using boost::mp_list;
using boost::mp_unique;
{
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_unique<mp_list<>>, mp_list<>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_unique<mp_list<void>>, mp_list<void>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_unique<mp_list<void, void>>, mp_list<void>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_unique<mp_list<void, void, void>>, mp_list<void>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_unique<mp_list<void, void, void, void>>, mp_list<void>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_unique<mp_list<void, int>>, mp_list<void, int>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_unique<mp_list<void, void, void, int, int, int>>, mp_list<void, int>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_unique<mp_list<void, int, void, int, int, void, int, int, int>>, mp_list<void, int>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_unique<mp_list<void, int, char[]>>, mp_list<void, int, char[]>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_unique<mp_list<void, int, char[], void, int, char[], void, int, char[]>>, mp_list<void, int, char[]>>));
}
{
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_unique<std::tuple<>>, std::tuple<>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_unique<std::tuple<void>>, std::tuple<void>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_unique<std::tuple<void, void>>, std::tuple<void>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_unique<std::tuple<void, void, void>>, std::tuple<void>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_unique<std::tuple<void, void, void, void>>, std::tuple<void>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_unique<std::tuple<void, int>>, std::tuple<void, int>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_unique<std::tuple<void, void, void, int, int, int>>, std::tuple<void, int>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_unique<std::tuple<void, int, void, int, int, void, int, int, int>>, std::tuple<void, int>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_unique<std::tuple<void, int, char[]>>, std::tuple<void, int, char[]>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_unique<std::tuple<void, int, char[], void, int, char[], void, int, char[]>>, std::tuple<void, int, char[]>>));
}
return boost::report_errors();
}