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% The Advanced Rust Programming Language
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# NOTE: This is a draft document, and may contain serious errors
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So you've played around with Rust a bit. You've written a few simple programs and
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you think you grok the basics. Maybe you've even read through
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*[The Rust Programming Language][trpl]*. Now you want to get neck-deep in all the
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nitty-gritty details of the language. You want to know those weird corner-cases.
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You want to know what the heck `unsafe` really means, and how to properly use it.
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This is the book for you.
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To be clear, this book goes into *serious* detail. We're going to dig into
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exception-safety and pointer aliasing. We're going to talk about memory
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models. We're even going to do some type-theory. This is stuff that you
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absolutely *don't* need to know to write fast and safe Rust programs.
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You could probably close this book *right now* and still have a productive
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and happy career in Rust.
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However if you intend to write unsafe code -- or just *really* want to dig into
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the guts of the language -- this book contains *invaluable* information.
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Unlike *The Rust Programming Language* we *will* be assuming considerable prior
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knowledge. In particular, you should be comfortable with:
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* Basic Systems Programming:
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* Pointers
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* [The stack and heap][]
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* The memory hierarchy (caches)
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* Threads
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* [Basic Rust][]
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Due to the nature of advanced Rust programming, we will be spending a lot of time
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talking about *safety* and *guarantees*. In particular, a significant portion of
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the book will be dedicated to correctly writing and understanding Unsafe Rust.
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[trpl]: ../book/
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[The stack and heap]: ../book/the-stack-and-the-heap.html
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[Basic Rust]: ../book/syntax-and-semantics.html
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