#include <iostream>

class my_array {
    class proxy;

private:
    uint8_t data;

public:
    my_array() { data = 0; }

    const bool operator[] (const size_t i) const {
        return (bool) proxy(data, 1 << i);
    }

    proxy operator[] (const size_t i) {
        return proxy(data, 1 << i)
    }

};


class my_array::proxy {
private:
    uint8_t & data;
    uint8_t msk;

public:
    proxy(const uint8_t & data, const uint8_t msk) : data(data), msk(msk) {}

    operator bool() const {
        return (bool) data & msk;
    }

    proxy & operator= (const bool b) {
        if (b) {
            data |= msk;
        }
        else {
            data &= ~msk;
        }
        return *this;
    }

    proxy & operator= (const proxy p) = delete;

    /* ^^^ \eq ^^^
     * proxy & operator= (const proxy p) {
        *this = (bool) t;
    }*/

};

int main() {
    return 0;
}