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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:45:59 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:45:59 +0000
commit19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch)
tree42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/boost/libs/hana/test/tuple/cnstr.variadic_forward.cpp
parentInitial commit. (diff)
downloadceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.tar.xz
ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.zip
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/boost/libs/hana/test/tuple/cnstr.variadic_forward.cpp')
-rw-r--r--src/boost/libs/hana/test/tuple/cnstr.variadic_forward.cpp114
1 files changed, 114 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/tuple/cnstr.variadic_forward.cpp b/src/boost/libs/hana/test/tuple/cnstr.variadic_forward.cpp
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+++ b/src/boost/libs/hana/test/tuple/cnstr.variadic_forward.cpp
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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/tuple.hpp>
+
+#include <type_traits>
+namespace hana = boost::hana;
+
+
+struct MoveOnly {
+ int data_;
+ MoveOnly(MoveOnly const&) = delete;
+ MoveOnly& operator=(MoveOnly const&) = delete;
+ MoveOnly(int data = 1) : data_(data) { }
+ MoveOnly(MoveOnly&& x) : data_(x.data_) { x.data_ = 0; }
+
+ MoveOnly& operator=(MoveOnly&& x)
+ { data_ = x.data_; x.data_ = 0; return *this; }
+
+ int get() const {return data_;}
+ bool operator==(const MoveOnly& x) const { return data_ == x.data_; }
+ bool operator< (const MoveOnly& x) const { return data_ < x.data_; }
+};
+
+struct Empty { };
+struct A {
+ int id_;
+ explicit constexpr A(int i) : id_(i) {}
+};
+
+struct NoDefault { NoDefault() = delete; };
+
+int main() {
+ {
+ hana::tuple<MoveOnly> t(MoveOnly(0));
+ BOOST_HANA_RUNTIME_CHECK(hana::at_c<0>(t) == 0);
+ }
+ {
+ hana::tuple<MoveOnly, MoveOnly> t(MoveOnly(0), MoveOnly(1));
+ BOOST_HANA_RUNTIME_CHECK(hana::at_c<0>(t) == 0);
+ BOOST_HANA_RUNTIME_CHECK(hana::at_c<1>(t) == 1);
+ }
+ {
+ hana::tuple<MoveOnly, MoveOnly, MoveOnly> t(
+ MoveOnly(0), MoveOnly(1), MoveOnly(2)
+ );
+ BOOST_HANA_RUNTIME_CHECK(hana::at_c<0>(t) == 0);
+ BOOST_HANA_RUNTIME_CHECK(hana::at_c<1>(t) == 1);
+ BOOST_HANA_RUNTIME_CHECK(hana::at_c<2>(t) == 2);
+ }
+ {
+ constexpr hana::tuple<Empty> t0{Empty()}; (void)t0;
+ }
+ {
+ constexpr hana::tuple<A, A> t(3, 2);
+ static_assert(hana::at_c<0>(t).id_ == 3, "");
+ }
+ {
+ typedef hana::tuple<MoveOnly, NoDefault> Tuple;
+
+ static_assert(!std::is_constructible<
+ Tuple,
+ MoveOnly
+ >::value, "");
+
+ static_assert(std::is_constructible<
+ Tuple,
+ MoveOnly, NoDefault
+ >::value, "");
+ }
+ {
+ typedef hana::tuple<MoveOnly, MoveOnly, NoDefault> Tuple;
+
+ static_assert(!std::is_constructible<
+ Tuple,
+ MoveOnly, MoveOnly
+ >::value, "");
+
+ static_assert(std::is_constructible<
+ Tuple,
+ MoveOnly, MoveOnly, NoDefault
+ >::value, "");
+ }
+ {
+ typedef hana::tuple<MoveOnly, NoDefault> Tuple;
+ typedef hana::tuple<MoveOnly, Tuple, MoveOnly, MoveOnly> NestedTuple;
+
+ static_assert(!std::is_constructible<
+ NestedTuple,
+ MoveOnly, MoveOnly, MoveOnly, MoveOnly
+ >::value, "");
+
+ static_assert(std::is_constructible<
+ NestedTuple,
+ MoveOnly, Tuple, MoveOnly, MoveOnly
+ >::value, "");
+ }
+ {
+ typedef hana::tuple<MoveOnly, int> Tuple;
+ typedef hana::tuple<MoveOnly, Tuple, MoveOnly, MoveOnly> NestedTuple;
+
+ static_assert(!std::is_constructible<
+ NestedTuple,
+ MoveOnly, MoveOnly, MoveOnly, MoveOnly
+ >::value, "");
+
+ static_assert(std::is_constructible<
+ NestedTuple,
+ MoveOnly, Tuple, MoveOnly, MoveOnly
+ >::value, "");
+ }
+}