C++ Call by Reference: Why It's 100x Faster Than Call by Value

Описание: C++ Developers! 🚨

Want your function to modify the original variable directly?
Use Call by Reference, explained in 15 seconds!

​🔹 What is Call by Reference?
​The function receives an 'ALIAS' (Reference &) to the original variable.
​ZERO copying overhead occurs!

​🔹 Trade-off:
​Pro: Super efficient! 🚀
​Con: Changes inside the function DIRECTLY affect the original variable! (Use with caution ⚠️)

​💡 Best Practice: const Reference
​If you need speed but DON'T want modification, pass it as const Type&.

​👉 This is the C++ standard for efficiency and safety combined!

​Save this and stop copying large objects! 🔥

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