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Telegram/ThirdParty/range-v3/test/action/join.cpp

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+// Range v3 library
+//
+//  Copyright Eric Niebler 2014-present
+//
+//  Use, modification and distribution is subject to the
+//  Boost Software License, Version 1.0. (See accompanying
+//  file LICENSE_1_0.txt or copy at
+//  http://www.boost.org/LICENSE_1_0.txt)
+
+#include <vector>
+#include <string>
+#include <range/v3/core.hpp>
+#include <range/v3/action/join.hpp>
+#include <range/v3/algorithm/move.hpp>
+#include <range/v3/algorithm/equal.hpp>
+#include <range/v3/view/transform.hpp>
+#include "../simple_test.hpp"
+#include "../test_utils.hpp"
+
+int main()
+{
+    using namespace ranges;
+
+    std::vector<std::string> v {"hello"," ","world"};
+    auto s = v | move | actions::join;
+    static_assert(std::is_same<decltype(s), std::string>::value, "");
+    CHECK(s == "hello world");
+
+    auto s2 = v | views::transform(views::all) | actions::join;
+    static_assert(std::is_same<decltype(s2), std::vector<char>>::value, "");
+    CHECK(std::string(s2.begin(), s2.end()) == "hello world");
+
+    return ::test_result();
+}