Description: A Module Declaration is how you define a new module in Rust. In the context of programming, a module is an organizational unit that allows grouping related functions, structures, and other elements, facilitating code management and reuse. Declaring a module in Rust is done using the ‘mod’ keyword followed by the module name. This allows developers to encapsulate logic and data, promoting modularity and clarity in the code. Modules can be public or private, determining their visibility and accessibility from other modules. This feature is fundamental for creating libraries and complex applications, as it allows dividing the code into more manageable and understandable parts. Additionally, modules in Rust can contain submodules, adding an extra layer of organization and hierarchy to the code. In summary, the Module Declaration is a key element in Rust that helps structure code efficiently and effectively, promoting good programming practices and facilitating long-term maintenance.
