1 files changed, 28 insertions, 0 deletions
diff --git a/src/boost/libs/hana/example/string/literal.cpp b/src/boost/libs/hana/example/string/literal.cpp
new file mode 100644
index 000000000..feab6f69e
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+++ b/src/boost/libs/hana/example/string/literal.cpp
@@ -0,0 +1,28 @@
+// 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/config.hpp>
+#include <boost/hana/core/is_a.hpp>
+#include <boost/hana/equal.hpp>
+#include <boost/hana/integral_constant.hpp>
+#include <boost/hana/length.hpp>
+#include <boost/hana/string.hpp>
+namespace hana = boost::hana;
+using namespace hana::literals;
+
+
+// By default, this is disabled
+#ifdef BOOST_HANA_CONFIG_ENABLE_STRING_UDL
+
+    constexpr auto str = "Hello world!"_s;
+    BOOST_HANA_CONSTANT_CHECK(str == hana::string_c<'H', 'e', 'l', 'l', 'o', ' ',
+                                                    'w', 'o', 'r', 'l', 'd', '!'>);
+
+    BOOST_HANA_CONSTANT_CHECK(hana::is_a<hana::string_tag>(str));
+    BOOST_HANA_CONSTANT_CHECK(hana::length(str) == hana::size_c<12>);
+
+#endif
+
+int main() { }