Class NonCopyableInt

tests/test_sequences_and_iterators.cpp:67–86

};

class NonCopyableInt {
public:
    explicit NonCopyableInt(int value) : value_(value) {}
    NonCopyableInt(const NonCopyableInt &) = delete;
    NonCopyableInt(NonCopyableInt &&other) noexcept : value_(other.value_) {
        other.value_ = -1; // detect when an unwanted move occurs
    }
    NonCopyableInt &operator=(const NonCopyableInt &) = delete;
    NonCopyableInt &operator=(NonCopyableInt &&other) noexcept {
        value_ = other.value_;
        other.value_ = -1; // detect when an unwanted move occurs
        return *this;
    }
    int get() const { return value_; }
    void set(int value) { value_ = value; }
    ~NonCopyableInt() = default;

private:
    int value_;
};
using NonCopyableIntPair = std::pair<NonCopyableInt, NonCopyableInt>;

PYBIND11_MAKE_OPAQUE(std::vector<NonCopyableInt>)