Yes, but using the core library [1] is always possible. And as soon as you have an allocator, you can additionally link the alloc [2] and collections [3] crates

Yes, but using the core library [1] is always possible. And as soon as you have an allocator, you can additionally link the alloc [2] and collections [3] crates. Then you can use things like Vec or even BTree. [1]: https://doc.rust-lang.org/nightly/core/index.html https://doc.rust-lang.org/nightly/core/index.html [2]: https://doc.rust-lang.org/nightly/alloc/index.html https://doc.rust-lang.org/nightly/alloc/index.html [3]: https://doc.rust-lang.org/nightly/collections/index.html https://doc.rust-lang.org/nightly/collections/index.html