Nonetheless, it can be useful in some cases, like when writing unit tests. You might have noticed
that most of our test modules start with a `use super::*;` statement to bring all the items from the parent module
(the one being tested) into scope.
+
+## Visualizing the module tree
+
+If you're struggling to picture the module tree of your project, you can try using
+[`cargo-modules`](https://crates.io/crates/cargo-modules) to visualize it!
+
+Refer to their documentation for installation instructions and usage examples.
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