1 files changed, 24 insertions, 0 deletions
diff --git a/src/boost/libs/hana/example/lazy/make.cpp b/src/boost/libs/hana/example/lazy/make.cpp
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+++ b/src/boost/libs/hana/example/lazy/make.cpp
@@ -0,0 +1,24 @@
+// 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/bool.hpp>
+#include <boost/hana/config.hpp>
+#include <boost/hana/eval.hpp>
+#include <boost/hana/if.hpp>
+#include <boost/hana/lazy.hpp>
+namespace hana = boost::hana;
+
+
+int main() {
+    BOOST_HANA_CONSTEXPR_LAMBDA auto f = hana::make<hana::lazy_tag>([](auto x) {
+        return 1 / x;
+    });
+
+    BOOST_HANA_CONSTEXPR_LAMBDA auto g = hana::make_lazy([](auto x) {
+        return x + 1;
+    });
+
+    BOOST_HANA_CONSTEXPR_CHECK(hana::eval(hana::if_(hana::false_c, f(0), g(0))) == 0 + 1);
+}