C++ Friend Functions

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        <span style="margin-left: 8px; font-weight: bold; color: #38bdf8;">⚙️ C++ Friend Functions - Skillance C++20</span>
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<span class="comment">// Skrip C++20 - Skillance Academy Indonesia</span>
#include &lt;iostream&gt;

class Kotak {
private:
    int panjang = 20;

    // Deklarasi friend function
    friend void tampilkanUkuran(const Kotak&amp; k);
};

// Fungsi eksternal biasa yang diberi hak akses friend
void tampilkanUkuran(const Kotak&amp; k) {
    std::cout &lt;&lt; "Akses langsung nilai private: " &lt;&lt; k.panjang &lt;&lt; std::endl;
}

int main() {
    Kotak k;
    tampilkanUkuran(k);
    return 0;
}
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        <div style="color: #64748b; margin-bottom: 6px;">[Terminal Output] &gt; g++ -std=c++20 main.cpp -o main &amp;&amp; ./main</div>
        <div style="color: #4ade80; font-weight: bold;">Akses langsung nilai private: 20</div>
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