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Book Overview & Buying
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Table Of Contents
The Rust Programming Handbook
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Rust offers several advanced features that enhance function flexibility and expressiveness. These include closures, higher-order functions, and anonymous functions.
These features allow you to write more concise and powerful code, capturing the surrounding environment, passing functions as arguments, and returning functions from other functions.
In Rust, a closure is an anonymous function that you can define inline, store in a variable, pass as an argument, or return from another function.
If you have experience with “lambda expressions” or “lambdas” from languages such as Python, Java, or C++, or “arrow functions” in JavaScript, you’ll find that Rust’s closures serve a very similar purpose. They are incredibly useful for short, one-off operations, especially when working with higher-order functions such as iterator methods.
The key feature that makes closures powerful is...