[DEV] add v1.66.0

libs/hana/example/ext/std/array/comparable.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/equal.hpp>
+#include <boost/hana/ext/std/array.hpp>
+#include <boost/hana/not_equal.hpp>
+
+#include <array>
+namespace hana = boost::hana;
+
+
+constexpr std::array<int, 4> xs = {{1, 2, 3, 4}};
+constexpr std::array<int, 5> ys = {{1, 2, 3, 4, 5}};
+
+// arrays have different constexpr contents; result is a constexpr bool
+static_assert(hana::equal(xs, xs), "");
+
+// arrays have different lengths; result is an integral_constant
+BOOST_HANA_CONSTANT_CHECK(hana::not_equal(xs, ys));
+
+
+int main() { }

libs/hana/example/ext/std/array/foldable.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/ext/std/array.hpp>
+#include <boost/hana/unpack.hpp>
+
+#include <array>
+namespace hana = boost::hana;
+
+
+int main() {
+    std::array<int, 5> a = {{0, 1, 2, 3, 4}};
+
+    auto b = hana::unpack(a, [](auto ...i) {
+        return std::array<int, sizeof...(i)>{{(i + 10)...}};
+    });
+
+    BOOST_HANA_RUNTIME_CHECK(b == std::array<int, 5>{{10, 11, 12, 13, 14}});
+}

libs/hana/example/ext/std/array/iterable.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/at.hpp>
+#include <boost/hana/drop_front.hpp>
+#include <boost/hana/equal.hpp>
+#include <boost/hana/ext/std/array.hpp>
+
+#include <array>
+namespace hana = boost::hana;
+
+
+constexpr std::array<int, 5> a = {{0, 1, 2, 3, 4}};
+
+static_assert(hana::at_c<2>(a) == 2, "");
+
+static_assert(hana::equal(hana::drop_front(a), std::array<int, 4>{{1, 2, 3, 4}}), "");
+
+int main() { }

libs/hana/example/ext/std/array/orderable.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/ext/std/array.hpp>
+#include <boost/hana/less.hpp>
+
+#include <array>
+namespace hana = boost::hana;
+
+
+constexpr std::array<int, 4> evens = {{2, 4, 6, 8}};
+constexpr std::array<int, 4> odds = {{1, 3, 5, 7}};
+
+constexpr std::array<int, 5> up_to_5 = {{1, 2, 3, 4, 5}};
+
+// arrays with same length
+static_assert(hana::less(odds, evens), "");
+
+// arrays with different lengths
+static_assert(hana::less(up_to_5, odds), "");
+
+int main() { }