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Well, I hope we get custom allocation soon in Rust. Its really strange not having the same in an advertised system programming language. Can help in incidents

• tomjakubowski 4y ago
  You might want custom local allocators. You can already replace the global allocator with one designed to reduce fragmentation, as described in the article.
• Diggsey 4y ago
  You can already do custom allocation in Rust. These efforts are about bringing support for custom allocators to the types in `std` so that you can combine use of a normal `Vec` with a custom allocator, instead of needing to definte your own `Vec` (or at least pull one in from a 3rd party crate).