How Can I Document My `main` Package in Godoc?

Documenting Main Packages in Godoc

Question

How can I document my package main in Godoc, which currently only displays exported functions?

Answer

To document your package main, you need to make some modifications to the godoc tool.

Solution

1. Modify Godoc's Configuration:

   • Edit the file at $GOPATH/src/golang.org/x/tools/godoc/server.go.

   • Locate the following line:

     info.IsMain = pkgname == "main"

   • Change it to:

     info.IsMain = false && pkgname == "main"

2. Rebuild and Install Godoc:

   • Run the following command: go install golang.org/x/tools/cmd/godoc

After completing these steps, you can use $GOPATH/bin/godoc to document your package main as desired.

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