🔧 Rust Strings Demystified: Literals, Slices, and Fat Pointers Under the Hood

When developers switch to Rust from high-level languages like Python or JavaScript, one of the first mental speedbumps is the string system.

Why are there two main string types (String vs &str)? What actually happens when a function returns "Yummy!"? And why is a string slice called a "fat pointer"?

In this post we'll look under the hood at...