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HomeBackend DevelopmentGolangHow Can I Access Shared Code Between My Main Package and External Packages?

How Can I Access Shared Code Between My Main Package and External Packages?

Accessing Main Package from External Packages: A Pathfinding Endeavor

When working with multiple packages in a modular programming environment, the need to share code between them often arises. However, accessing the main package from other packages can pose a unique challenge, as the main package typically resides outside of a directory structure.

The Import Conundrum

In a typical import scenario, packages are located within directories, allowing them to be imported using relative paths. However, the main package, by its nature, is not part of a directory tree. Attempting to import it directly leads to an error indicating that it is a program, not an importable package.

Shared Code Dilemma

The inability to import the main package directly poses a problem when shared code is necessary between the webserver and the TCP server. While the webserver and TCP server can communicate directly, it would be desirable to keep certain portions of the application centralized.

Alternative Approach

To circumvent this limitation, it is recommended to create a separate package for shared code that can be imported by both the main package and the other packages. This allows for a clean separation of concerns and ensures that code can be shared without having to rely on direct main package access.

Conclusion

While it is inadvisable to import the main package directly, creating a separate package for shared code provides a viable solution to sharing code between multiple packages. This approach maintains a logical structure and allows for flexibility when working with imports.

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