1 files changed, 30 insertions, 0 deletions
diff --git a/src/boost/libs/hana/example/map/searchable.cpp b/src/boost/libs/hana/example/map/searchable.cpp
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+++ b/src/boost/libs/hana/example/map/searchable.cpp
@@ -0,0 +1,30 @@
+// 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/find.hpp>
+#include <boost/hana/integral_constant.hpp>
+#include <boost/hana/map.hpp>
+#include <boost/hana/optional.hpp>
+#include <boost/hana/pair.hpp>
+#include <boost/hana/type.hpp>
+namespace hana = boost::hana;
+
+
+constexpr auto m = hana::make_map(
+    hana::make_pair(hana::type_c<int>, 'i'),
+    hana::make_pair(hana::type_c<float>, 'f')
+);
+static_assert(hana::find(m, hana::type_c<int>) == hana::just('i'), "");
+static_assert(hana::find(m, hana::type_c<float>) == hana::just('f'), "");
+BOOST_HANA_CONSTANT_CHECK(hana::find(m, hana::type_c<void>) == hana::nothing);
+BOOST_HANA_CONSTANT_CHECK(hana::find(m, hana::int_c<3>) == hana::nothing);
+
+// operator[] is equivalent to at_key
+static_assert(m[hana::type_c<int>] == 'i', "");
+static_assert(m[hana::type_c<float>] == 'f', "");
+
+int main() { }