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go doc
The tool extracts the first-line comments from the top-level declaration and the related comments for each object from the Go program and package files, and generates related documents.
General usage:
go doc package
Gets the document comment for the package, for example: go doc fmt
godoc
fmt
A document comment that uses the generated package is displayed.
go doc package/subpackage
Gets the document comment for the child package, for example: go doc container/list
.
go doc package function
Gets the document comment for a function in a package, for example: go doc fmt Printf
displays fmt.Printf()
instructions for use.
After you enter the command line and godoc -http=:6060
then open http://localhost:6060 with your browser, you can see the pages provided by the local document browsing server.