How to use packages within Go modules: Smart Go

The video tutorial explains how to organize a GO project into packages for better flexibility and code management. It covers the use of subdirectories to separate structs and methods, creating and using packages, and managing namespaces. The tutorial also discusses naming conventions in GO, which dictate visibility and access to code elements. The video aims to improve code readability and organization, especially for larger projects.

Explain the purpose of the 'package' declaration in GO files.

What are the implications of having methods and structures in separate files within a GO project?