# Standard library types This section will teach you about Box, Shared-State Concurrency and Iterators. ## Further information - [Using Box to Point to Data on the Heap](https://doc.rust-lang.org/book/ch15-01-box.html) - [Shared-State Concurrency](https://doc.rust-lang.org/book/ch16-03-shared-state.html) - [Iterator](https://doc.rust-lang.org/book/ch13-02-iterators.html) - [Iterator documentation](https://doc.rust-lang.org/stable/std/iter/)