Master the fundamentals of Rust modules and learn how to organize your code into logical units for easy reuse and sharing. Discover the concepts of visibility and scope, and understand how to define and use modules, sub-modules, and crates in Rust programming.

Learn how to use pattern matching in Haskell for efficient control flow and data deconstruction, discovering its fundamentals, syntax, and practical applications. Explore how pattern matching can handle multiple cases, deconstruct data, and utilize wildcards and guard clauses for flexibility.

Learn how to harness the power of Ruby's modules to organize your code, promote reuse, and improve maintainability. Discover the benefits of using modules, how to create and use them, and best practices for effective module design.