1 files changed, 22 insertions, 0 deletions
diff --git a/src/boost/libs/hana/example/count.cpp b/src/boost/libs/hana/example/count.cpp
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+++ b/src/boost/libs/hana/example/count.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/count.hpp>
+#include <boost/hana/equal.hpp>
+#include <boost/hana/integral_constant.hpp>
+#include <boost/hana/tuple.hpp>
+#include <boost/hana/type.hpp>
+namespace hana = boost::hana;
+
+
+int main() {
+    constexpr auto ints = hana::tuple_c<int, 1, 2, 3, 2, 2, 4, 2>;
+    BOOST_HANA_CONSTANT_CHECK(hana::count(ints, hana::int_c<2>) == hana::size_c<4>);
+    static_assert(hana::count(ints, 2) == 4, "");
+
+
+    constexpr auto types = hana::tuple_t<int, char, long, short, char, double>;
+    BOOST_HANA_CONSTANT_CHECK(hana::count(types, hana::type_c<char>) == hana::size_c<2>);
+}