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// Copyright Louis Dionne 2013-2017
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
#include <boost/hana/assert.hpp>
#include <boost/hana/at_key.hpp>
#include <boost/hana/equal.hpp>
#include <boost/hana/map.hpp>
#include <boost/hana/pair.hpp>
#include <laws/base.hpp>
#include <support/constexpr_move_only.hpp>
#include <support/minimal_product.hpp>
#include <support/tracked_move_only.hpp>
#include <string>
#include <vector>
namespace hana = boost::hana;
template <int i>
using pair = ::product_t<hana::test::ct_eq<i>, hana::test::ct_eq<-i>>;
// Check with move-only literal types.
constexpr bool in_constexpr_context() {
hana::map<hana::pair<ConstexprMoveOnly<2>, ConstexprMoveOnly<20>>,
hana::pair<ConstexprMoveOnly<3>, ConstexprMoveOnly<30>>> map{
hana::make_pair(ConstexprMoveOnly<2>{}, ConstexprMoveOnly<20>{}),
hana::make_pair(ConstexprMoveOnly<3>{}, ConstexprMoveOnly<30>{})
};
(void)map;
return true;
}
static_assert(in_constexpr_context(), "");
int main() {
// Basic check with non trivial runtime state
{
std::vector<std::string> v{"Hello", "world", "!"};
hana::map<
hana::pair<hana::test::ct_eq<1>, std::string>,
hana::pair<hana::test::ct_eq<2>, std::vector<std::string>>
> map{
hana::make_pair(hana::test::ct_eq<1>{}, std::string{"Hello world!"}),
hana::make_pair(hana::test::ct_eq<2>{}, v)
};
BOOST_HANA_RUNTIME_CHECK(
hana::at_key(map, hana::test::ct_eq<1>{}) == std::string{"Hello world!"}
);
BOOST_HANA_RUNTIME_CHECK(
hana::at_key(map, hana::test::ct_eq<2>{}) == v
);
}
{
hana::map<> map{};
BOOST_HANA_CONSTANT_CHECK(hana::equal(
map,
hana::make_map()
));
}
{
hana::map<pair<0>> map{pair<0>{}};
BOOST_HANA_CONSTANT_CHECK(hana::equal(
map,
hana::make_map(pair<0>{})
));
}
{
hana::map<pair<0>, pair<1>> map{pair<0>{}, pair<1>{}};
BOOST_HANA_CONSTANT_CHECK(hana::equal(
map,
hana::make_map(pair<0>{}, pair<1>{})
));
}
{
hana::map<pair<0>, pair<1>, pair<2>> map{pair<0>{}, pair<1>{}, pair<2>{}};
BOOST_HANA_CONSTANT_CHECK(hana::equal(
map,
hana::make_map(pair<0>{}, pair<1>{}, pair<2>{})
));
}
{
hana::map<pair<0>, pair<1>, pair<2>, pair<3>> map{
pair<0>{}, pair<1>{}, pair<2>{}, pair<3>{}
};
BOOST_HANA_CONSTANT_CHECK(hana::equal(
map,
hana::make_map(pair<0>{}, pair<1>{}, pair<2>{}, pair<3>{})
));
}
{
hana::map<pair<0>, pair<1>, pair<2>, pair<3>, pair<4>> map{
pair<0>{}, pair<1>{}, pair<2>{}, pair<3>{}, pair<4>{}
};
BOOST_HANA_CONSTANT_CHECK(hana::equal(
map,
hana::make_map(pair<0>{}, pair<1>{}, pair<2>{}, pair<3>{}, pair<4>{})
));
}
{
hana::map<pair<0>, pair<1>, pair<2>, pair<3>, pair<4>, pair<5>> map{
pair<0>{}, pair<1>{}, pair<2>{}, pair<3>{}, pair<4>{}, pair<5>{}
};
BOOST_HANA_CONSTANT_CHECK(hana::equal(
map,
hana::make_map(pair<0>{}, pair<1>{}, pair<2>{}, pair<3>{}, pair<4>{}, pair<5>{})
));
}
// Use parenthesis syntax instead of braces
{
hana::map<> map = hana::map<>();
BOOST_HANA_CONSTANT_CHECK(hana::equal(
map,
hana::make_map()
));
}
{
hana::map<pair<0>> map(
pair<0>{}
);
BOOST_HANA_CONSTANT_CHECK(hana::equal(
map,
hana::make_map(pair<0>{})
));
}
{
hana::map<pair<0>, pair<1>> map(
pair<0>{}, pair<1>{}
);
BOOST_HANA_CONSTANT_CHECK(hana::equal(
map,
hana::make_map(pair<0>{}, pair<1>{})
));
}
{
hana::map<pair<0>, pair<1>, pair<2>> map(
pair<0>{}, pair<1>{}, pair<2>{}
);
BOOST_HANA_CONSTANT_CHECK(hana::equal(
map,
hana::make_map(pair<0>{}, pair<1>{}, pair<2>{})
));
}
{
hana::map<pair<0>, pair<1>, pair<2>, pair<3>> map(
pair<0>{}, pair<1>{}, pair<2>{}, pair<3>{}
);
BOOST_HANA_CONSTANT_CHECK(hana::equal(
map,
hana::make_map(pair<0>{}, pair<1>{}, pair<2>{}, pair<3>{})
));
}
// Check with move-only types
{
hana::map<hana::pair<TrackedMoveOnly<1>, TrackedMoveOnly<10>>,
hana::pair<TrackedMoveOnly<2>, TrackedMoveOnly<20>>> map{
hana::make_pair(TrackedMoveOnly<1>{}, TrackedMoveOnly<10>{}),
hana::make_pair(TrackedMoveOnly<2>{}, TrackedMoveOnly<20>{})
};
}
// The following used to fail when we did not constrain the
// constructor properly:
{
hana::map<pair<1>> map{};
hana::test::_injection<0> f{};
auto x = f(map);
}
}
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