From 483eb2f56657e8e7f419ab1a4fab8dce9ade8609 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 27 Apr 2024 20:24:20 +0200
Subject: Adding upstream version 14.2.21.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/boost/libs/hana/example/comparing.cpp | 40 +++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 src/boost/libs/hana/example/comparing.cpp

(limited to 'src/boost/libs/hana/example/comparing.cpp')

diff --git a/src/boost/libs/hana/example/comparing.cpp b/src/boost/libs/hana/example/comparing.cpp
new file mode 100644
index 00000000..8c653881
--- /dev/null
+++ b/src/boost/libs/hana/example/comparing.cpp
@@ -0,0 +1,40 @@
+// 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/comparing.hpp>
+#include <boost/hana/equal.hpp>
+#include <boost/hana/group.hpp>
+#include <boost/hana/length.hpp>
+#include <boost/hana/range.hpp>
+#include <boost/hana/tuple.hpp>
+namespace hana = boost::hana;
+
+
+int main() {
+    constexpr auto sequences = hana::make_tuple(
+        hana::make_tuple(1, 2, 3),
+        hana::make_tuple('x', 'y', 'z'),
+        hana::range_c<long, 0, 1>,
+        hana::tuple_t<char, int>,
+        hana::range_c<int, 0, 2>,
+        hana::make_tuple(123.4, nullptr)
+    );
+
+    constexpr auto grouped = hana::group.by(hana::comparing(hana::length), sequences);
+
+    static_assert(grouped == hana::make_tuple(
+        hana::make_tuple(
+            hana::make_tuple(1, 2, 3),
+            hana::make_tuple('x', 'y', 'z')
+        ),
+        hana::make_tuple(
+            hana::range_c<long, 0, 1>
+        ),
+        hana::make_tuple(
+            hana::tuple_t<char, int>,
+            hana::range_c<int, 0, 2>,
+            hana::make_tuple(123.4, nullptr)
+        )
+    ), "");
+}
-- 
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