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Add mp_iota, mp_at, mp_take.

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This commit is contained in:
Peter Dimov
2015-06-22 03:37:15 +03:00
parent 8bf6feb206
commit 4094f2f73f
7 changed files with 308 additions and 2 deletions
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test/Jamfile.v2
+4 -1
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@@ -9,7 +9,7 @@
import testing ;
import ../../config/checks/config : requires ;
REQ = ; #[ requires cxx11_variadic_templates cxx11_template_aliases cxx11_hdr_type_traits cxx11_hdr_tuple ] ;
REQ = ; #[ requires cxx11_variadic_templates cxx11_template_aliases cxx11_decltype cxx11_hdr_type_traits cxx11_hdr_tuple ] ;
# include-only
compile mp11.cpp : : : $(REQ) ;
@@ -35,6 +35,9 @@ run mp_contains.cpp : : : $(REQ) ;
run mp_repeat.cpp : : : $(REQ) ;
run mp_product.cpp : : : $(REQ) ;
run mp_drop.cpp : : : $(REQ) ;
run mp_iota.cpp : : : $(REQ) ;
run mp_at.cpp : : : $(REQ) ;
run mp_take.cpp : : : $(REQ) ;
# integral
run integral.cpp : : : $(REQ) ;
test/mp_at.cpp
+74
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@@ -0,0 +1,74 @@
// 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/mp11/integral.hpp>
#include <boost/core/lightweight_test_trait.hpp>
#include <type_traits>
#include <tuple>
#include <utility>
struct X1 {};
struct X2 {};
struct X3 {};
struct X4 {};
struct X5 {};
int main()
{
using boost::mp_list;
using boost::mp_at;
using boost::mp_at_c;
using boost::mp_size_t;
{
using L1 = mp_list<X1, X2, X3, X4, X5>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_at_c<L1, 0>, X1>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_at_c<L1, 1>, X2>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_at_c<L1, 2>, X3>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_at_c<L1, 3>, X4>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_at_c<L1, 4>, X5>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_at<L1, mp_size_t<0>>, X1>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_at<L1, mp_size_t<1>>, X2>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_at<L1, mp_size_t<2>>, X3>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_at<L1, mp_size_t<3>>, X4>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_at<L1, mp_size_t<4>>, X5>));
}
{
using L1 = std::tuple<X1, X2, X3, X4, X5>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_at_c<L1, 0>, X1>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_at_c<L1, 1>, X2>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_at_c<L1, 2>, X3>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_at_c<L1, 3>, X4>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_at_c<L1, 4>, X5>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_at<L1, mp_size_t<0>>, X1>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_at<L1, mp_size_t<1>>, X2>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_at<L1, mp_size_t<2>>, X3>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_at<L1, mp_size_t<3>>, X4>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_at<L1, mp_size_t<4>>, X5>));
}
{
using L1 = std::pair<X1, X2>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_at_c<L1, 0>, X1>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_at_c<L1, 1>, X2>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_at<L1, mp_size_t<0>>, X1>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_at<L1, mp_size_t<1>>, X2>));
}
return boost::report_errors();
}
test/mp_iota.cpp
+42
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@@ -0,0 +1,42 @@
// 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/integral.hpp>
#include <boost/core/lightweight_test_trait.hpp>
#include <type_traits>
int main()
{
using boost::mp_list;
using boost::mp_iota;
using boost::mp_iota_c;
using boost::mp_int;
using boost::mp_size_t;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_iota_c<0>, mp_list<>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_iota_c<1>, mp_list<mp_size_t<0>>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_iota_c<2>, mp_list<mp_size_t<0>, mp_size_t<1>>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_iota_c<3>, mp_list<mp_size_t<0>, mp_size_t<1>, mp_size_t<2>>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_iota_c<4>, mp_list<mp_size_t<0>, mp_size_t<1>, mp_size_t<2>, mp_size_t<3>>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_iota<mp_size_t<0>>, mp_list<>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_iota<mp_size_t<1>>, mp_list<mp_size_t<0>>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_iota<mp_size_t<2>>, mp_list<mp_size_t<0>, mp_size_t<1>>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_iota<mp_size_t<3>>, mp_list<mp_size_t<0>, mp_size_t<1>, mp_size_t<2>>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_iota<mp_size_t<4>>, mp_list<mp_size_t<0>, mp_size_t<1>, mp_size_t<2>, mp_size_t<3>>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_iota<mp_int<0>>, mp_list<>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_iota<mp_int<1>>, mp_list<mp_int<0>>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_iota<mp_int<2>>, mp_list<mp_int<0>, mp_int<1>>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_iota<mp_int<3>>, mp_list<mp_int<0>, mp_int<1>, mp_int<2>>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_iota<mp_int<4>>, mp_list<mp_int<0>, mp_int<1>, mp_int<2>, mp_int<3>>>));
return boost::report_errors();
}
test/mp_take.cpp
+85
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@@ -0,0 +1,85 @@
// 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/mp11/integral.hpp>
#include <boost/core/lightweight_test_trait.hpp>
#include <type_traits>
#include <tuple>
#include <utility>
struct X1 {};
struct X2 {};
struct X3 {};
struct X4 {};
struct X5 {};
int main()
{
using boost::mp_list;
using boost::mp_take;
using boost::mp_take_c;
using boost::mp_size_t;
{
using L1 = mp_list<>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L1, 0>, L1>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L1, mp_size_t<0>>, L1>));
using L2 = mp_list<X1, X2, X3, X4, X5>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L2, 0>, mp_list<>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L2, 1>, mp_list<X1>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L2, 2>, mp_list<X1, X2>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L2, 3>, mp_list<X1, X2, X3>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L2, 4>, mp_list<X1, X2, X3, X4>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L2, 5>, mp_list<X1, X2, X3, X4, X5>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L2, mp_size_t<0>>, mp_list<>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L2, mp_size_t<1>>, mp_list<X1>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L2, mp_size_t<2>>, mp_list<X1, X2>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L2, mp_size_t<3>>, mp_list<X1, X2, X3>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L2, mp_size_t<4>>, mp_list<X1, X2, X3, X4>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L2, mp_size_t<5>>, mp_list<X1, X2, X3, X4, X5>>));
}
{
using L1 = std::tuple<>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L1, 0>, L1>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L1, mp_size_t<0>>, L1>));
using L2 = std::tuple<X1, X2, X3, X4, X5>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L2, 0>, std::tuple<>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L2, 1>, std::tuple<X1>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L2, 2>, std::tuple<X1, X2>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L2, 3>, std::tuple<X1, X2, X3>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L2, 4>, std::tuple<X1, X2, X3, X4>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L2, 5>, std::tuple<X1, X2, X3, X4, X5>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L2, mp_size_t<0>>, std::tuple<>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L2, mp_size_t<1>>, std::tuple<X1>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L2, mp_size_t<2>>, std::tuple<X1, X2>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L2, mp_size_t<3>>, std::tuple<X1, X2, X3>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L2, mp_size_t<4>>, std::tuple<X1, X2, X3, X4>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L2, mp_size_t<5>>, std::tuple<X1, X2, X3, X4, X5>>));
}
{
using L1 = std::pair<X1, X2>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take_c<L1, 2>, L1>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_take<L1, mp_size_t<2>>, L1>));
}
return boost::report_errors();
}