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-rw-r--r--src/boost/libs/hana/example/functional/overload_linearly.cpp22
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diff --git a/src/boost/libs/hana/example/functional/overload_linearly.cpp b/src/boost/libs/hana/example/functional/overload_linearly.cpp
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+++ b/src/boost/libs/hana/example/functional/overload_linearly.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/functional/overload_linearly.hpp>
+
+#include <string>
+namespace hana = boost::hana;
+
+
+auto f = hana::overload_linearly(
+ [](int i) { return i + 1; },
+ [](std::string s) { return s + "d"; },
+ [](double) { BOOST_HANA_RUNTIME_CHECK(false && "never called"); }
+);
+
+int main() {
+ BOOST_HANA_RUNTIME_CHECK(f(1) == 2);
+ BOOST_HANA_RUNTIME_CHECK(f("abc") == "abcd");
+ BOOST_HANA_RUNTIME_CHECK(f(2.2) == static_cast<int>(2.2) + 1);
+}