Rust: Modules and Traits, Organizing Code and Shared Behavior

When you first start learning to program, it is perfectly normal to dump all your variables, functions, and structs into a single file. But as your application grows from a small script into a fully-fledged system, a 1,000-line main.rs file becomes a nightmare to navigate. To build scalable software, you need two things: a way to split your code into multiple files, and a way to define shared behaviors across different custom data types. ...

June 29, 2026 ยท Gregory Bryant