# Zero-cost abstractions in Rust

*Zero-cost abstractions* is a term touted (coined?) by Rust-enthusiasts. It means that using higher-level features such as `map`, `filter`, `iterators`, etc. has no performance downsides. They get compiled to the same code we would write by hand with a `for` loop.

## Reference

* [Comparing Performance: Loops vs. Iterators - The Rust Programming Language](https://doc.rust-lang.org/book/ch13-04-performance.html)

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