How Can I View Go Package Documentation Locally in a Browser Using Godoc?

Viewing Package Documentation Locally in a Browser

Godoc allows developers to view the documentation for Go packages locally in a browser. To achieve this, it's important to understand how godoc operates and any potential caveats.

GOPATH Mode

In GOPATH mode, godoc -http serves the documentation for all packages in the GOPATH, including the standard library. To view your own packages, simply navigate to http://localhost:6060/pkg/your/package.

Module-Aware Mode

GOPATH and modules are mutually exclusive. Godoc is not module-aware and is being deprecated. Therefore, to view the documentation for modules locally in godoc, copy their sources into an src folder.

"Workaround" for Viewing Module Documentation in Godoc

1. Place the repository in a folder such as /some/folder/src.
2. Start godoc with the command godoc -goroot=/some/folder -http=:6060.

Additional Notes

• If the package is not in the GOPATH or an src folder, godoc will not be able to find it.
• Third-party libraries installed in the default GOPATH may not be displayed when using the "workaround" method for module documentation.

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