23 lines
587 B
C++
23 lines
587 B
C++
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//
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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:intro/start
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#include <immer/set.hpp>
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int main()
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{
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const auto v0 = immer::set<int>{};
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const auto v1 = v0.insert(42);
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assert(v0.count(42) == 0);
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assert(v1.count(42) == 1);
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const auto v2 = v1.erase(42);
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assert(v1.count(42) == 1);
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assert(v2.count(42) == 0);
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}
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// include:intro/end
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