7f19d64164
git-subtree-dir: third_party/immer git-subtree-split: ad3e3556d38bb75966dd24c61a774970a7c7957e
35 lines
839 B
C++
35 lines
839 B
C++
//
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// immer: immutable data structures for C++
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// Copyright (C) 2016, 2017, 2018 Juan Pedro Bolivar Puente
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//
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// This software is distributed under the Boost Software License, Version 1.0.
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// See accompanying file LICENSE or copy at http://boost.org/LICENSE_1_0.txt
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//
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#include <cassert>
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#include <immer/vector.hpp>
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// include:move-bad/start
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immer::vector<int> do_stuff(const immer::vector<int> v)
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{
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return std::move(v).push_back(42);
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}
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// include:move-bad/end
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// include:move-good/start
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immer::vector<int> do_stuff_better(immer::vector<int> v)
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{
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return std::move(v).push_back(42);
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}
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// include:move-good/end
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int main()
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{
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auto v = immer::vector<int>{};
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auto v1 = do_stuff(v);
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auto v2 = do_stuff_better(v);
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assert(v1.size() == 1);
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assert(v2.size() == 1);
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assert(v1[0] == 42);
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assert(v2[0] == 42);
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}
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