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Rust - Interview Questions
Is Rust safe in comparison to C and C++?
Yes, Rust is generally considered safer than C and C++ due to its memory safety guarantees, strong static typing, and strict ownership and borrowing rules. While C and C++ provide a lot of control and flexibility, they also allow for more potential programming errors that can lead to security vulnerabilities, crashes, and undefined behavior.

Here are some reasons why Rust is considered safer :

1. Memory Safety : Rust's ownership system and borrowing rules ensure memory safety by preventing common issues like null pointer dereferences, use-after-free, and data races. The compiler statically analyzes the code to enforce these rules, eliminating whole classes of memory-related bugs that are common in C and C++.

2. No Undefined Behavior : Rust aims to eliminate undefined behavior, which is a significant source of security vulnerabilities in C and C++. Rust's strict type system and ownership model prevent buffer overflows, stack overflows, and other undefined behavior that can be exploited by attackers.
3. Safe Concurrency : Rust provides built-in concurrency primitives and enforces strict rules for concurrent access to shared data. This helps prevent data races, a common issue in concurrent programming, by enforcing exclusive mutability and ensuring thread-safe access.

4. String Handling : Rust's string handling is safe by default. Strings in Rust are UTF-8 encoded and have built-in bounds checks, preventing common vulnerabilities like buffer overflows and invalid string operations.

5. Compiler-Enforced Safety : The Rust compiler is designed to catch errors and enforce safety guarantees at compile time. It performs static analysis, extensive type checking, and lifetime checking to ensure memory safety and prevent many common programming mistakes.