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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <iterator>
// back_insert_iterator
// requires CopyConstructible<Cont::value_type>
// back_insert_iterator<Cont>&
// operator=(const Cont::value_type& value);
#include <iterator>
#include <vector>
#include <cassert>
template <class C>
void
test(C c)
{
const typename C::value_type v = typename C::value_type();
std::back_insert_iterator<C> i(c);
i = v;
assert(c.back() == v);
}
class Copyable
{
int data_;
public:
Copyable() : data_(0) {}
~Copyable() {data_ = -1;}
friend bool operator==(const Copyable& x, const Copyable& y)
{return x.data_ == y.data_;}
};
int main(int, char**)
{
test(std::vector<Copyable>());
return 0;
}
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