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3 articles tagged with "memory-safety"
C hands you NULL and quietly trusts you to check it. Rust deletes NULL from the language entirely and turns "the value might be missing" into a compile-time error — while still costing zero extra bytes. Tony Hoare’s Billion Dollar Mistake, from the segfault to the match.
In C, memory is a shared pizza — anyone can grab a slice, and anyone can throw the whole thing away. Rust replaces the pizza with a relay race: three ownership rules, moves, and borrowing, all enforced by a compiler that slaps your hand before the bug ever ships.
What happens when 12 bytes are written into an 8-byte buffer? In C, the extras spill into the next variable and the program never notices. In Rust, the program halts and tells you exactly why. The classic buffer overflow, from the stack to the panic.