Wednesday, March 20, 2013

An Overview of Memory Management in Rust (link)

One of the key features of Rust that sets it apart from other new languages is that its memory management is manual—the programmer has explicit control over where and how memory is allocated and deallocated. In this regard, Rust is much more like C++ than like Java, Python, or Go, to name a few. This is an important design decision that makes Rust able to function in performance-critical domains that safe languages previously haven’t been able to—top-of-the line games and Web browsers, for example—but it adds a nontrivial learning curve to the language.

For programmers familiar with modern C++, this learning curve is much shallower, but for those who are used to other languages, Rust’s smart pointers can seem confusing and complex. In keeping with the systems-oriented nature of Rust, this post is designed to explain how Rust’s memory management works and how to effectively use it.


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