36 lines
846 B
C++
36 lines
846 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 <immer/box.hpp>
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#include <immer/vector.hpp>
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#include <immer/vector_transient.hpp>
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#include <catch.hpp>
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TEST_CASE("issue-33")
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{
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using Element = immer::box<std::string>;
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auto vect = immer::vector<Element>{};
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// this one works fine
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for (auto i = 0; i < 100; ++i) {
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vect = vect.push_back(Element("x"));
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}
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// this one doesn't compile
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auto t = vect.transient();
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for (auto i = 0; i < 100; ++i) {
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t.push_back(Element("x"));
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}
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vect = t.persistent();
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CHECK(*vect[0] == "x");
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CHECK(*vect[99] == "x");
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}
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