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Rust doesn't aim to make it impossible to have memory leaks: https://users.rust-lang.org/t/memory-leaks-are-memory-safe/5288 https://users.rust-lang.org/t/memor

• ben-schaaf 9y ago
  It at least eliminates what I'd estimate to be the most common cause of memory leaks (in C): missing a free. Which is the same guarantee that GCs provide.
  • oconnor663 9y ago
    The story is similar to C++. Almost all allocations are done by types that'll automatically call free in their destructors. But because there's no global GC, it's still possible to leak accidentally by creating a cycle in reference-counted smart pointers.
    • fnord123 9y ago
      There is still the other most common source of memory leaks: putting data into long living (e.g. 'static) hash tables and having no plan for pruning it.