Class MoveOnly

tests/fl/stl/iterator.cpp:120–139

FL_TEST_CASE("back_inserter with move semantics") {
    struct MoveOnly {
        int value;

        MoveOnly(int v) : value(v) {}

        // Delete copy constructor and copy assignment
        MoveOnly(const MoveOnly&) = delete;
        MoveOnly& operator=(const MoveOnly&) = delete;

        // Move constructor and move assignment
        MoveOnly(MoveOnly&& other) : value(other.value) {
            other.value = -1;
        }

        MoveOnly& operator=(MoveOnly&& other) {
            value = other.value;
            other.value = -1;
            return *this;
        }
    };

    fl::vector<MoveOnly> vec;