1 files changed, 52 insertions, 0 deletions
diff --git a/src/boost/libs/hana/example/partition.cpp b/src/boost/libs/hana/example/partition.cpp
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+++ b/src/boost/libs/hana/example/partition.cpp
@@ -0,0 +1,52 @@
+// 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/equal.hpp>
+#include <boost/hana/ext/std/integral_constant.hpp>
+#include <boost/hana/integral_constant.hpp>
+#include <boost/hana/mod.hpp>
+#include <boost/hana/not_equal.hpp>
+#include <boost/hana/pair.hpp>
+#include <boost/hana/partition.hpp>
+#include <boost/hana/tuple.hpp>
+#include <boost/hana/type.hpp>
+
+#include <type_traits>
+namespace hana = boost::hana;
+
+
+BOOST_HANA_CONSTANT_CHECK(
+    hana::partition(hana::tuple_c<int, 1, 2, 3, 4, 5, 6, 7>, [](auto x) {
+        return x % hana::int_c<2> != hana::int_c<0>;
+    })
+    ==
+    hana::make_pair(
+        hana::tuple_c<int, 1, 3, 5, 7>,
+        hana::tuple_c<int, 2, 4, 6>
+    )
+);
+
+BOOST_HANA_CONSTANT_CHECK(
+    hana::partition(hana::tuple_t<void, int, float, char, double>, hana::trait<std::is_floating_point>)
+    ==
+    hana::make_pair(
+        hana::tuple_t<float, double>,
+        hana::tuple_t<void, int, char>
+    )
+);
+
+
+// partition.by is syntactic sugar
+BOOST_HANA_CONSTANT_CHECK(
+    hana::partition.by(hana::trait<std::is_floating_point>,
+                       hana::tuple_t<void, int, float, char, double>)
+    ==
+    hana::make_pair(
+        hana::tuple_t<float, double>,
+        hana::tuple_t<void, int, char>
+    )
+);
+
+int main() { }