07 Modules, Pub and Use | Rust Tutorials
In this video I cover the Rust module system and how it interacts with public/private scope as well as importing our modules using the use keyword. Modules in Rust function very similarly to packages in Java or Python and modules in Javascript. They allows us to breakdown our code into more readable and more reusable pieces.
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There are many ways to structure modules in Rust.
The main 3 ways are:
1. Using them inside a single file
2. Separating them into multiple files
3. Separating them into multiple folders
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The first way, all we need to do is use the mod keyword.
The second way, we no longer need the mod keyword, but we must name our file the same as our module.
The last way, our file must be named mod.rs and our directory must be named the same as our module.
Modules can be private (by default) or public using the pub keyword.
By using the use keyword, we bring modules into scope for our program to use.
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