Focus mode
Rust allows us to create anonymous functions called closures. After creating closure, it can be called again elsewhere to use it in a diffirent contex. When you link a closure to a variable, it behaves exactly like a function when you use it. So you get a function quickly without using a function.
Closures are commonly found in Rust inside of methods since they are highly useful.
To understand closures in more detail, you can find different videos that explain the subject in detail here:
https://www.youtube.com/watch?v=rnxutl7t1hI
https://www.youtube.com/watch?v=vsVL8CVGFkM
You can find detailed further information from Rust Official documentation:
https://doc.rust-lang.org/book/ch13-01-closures.html#
Resources:
https://medium.com/coding-rust/best-explanation-of-closure-in-rust-2b20210eba53
https://blog.knoldus.com/rust-closures-will-make-your-life-easy/
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