An explaination of &str vs String

[RustyYato]

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Here is my answer to the last time it was asked.

What are String and str?

Definitions Let's start with definitions String is a growable buffer that owns it's data. &String is a shared borrow of a growable buffer, this borrow does not own any data &mut String is a unique borrow of a growable buffer, this borrow does not own any data str is a view into some other string that is already in memory. &str is a shared borrow of a string view. &mut str is a unique borrow of a string view. String literals String literals, like "hello world" or "bob" are stored direc…