Go Packages

Everything in Go is delivered in the form of packages. A Go package is a Go source file that begins with the package keyword, followed by the name of the package.

Note: Note that packages can have structure. For example, the net package has several subdirectories named http, mail, rpc, smtp, textproto, and url, which should be imported as net/http, net/mail, net/rpc, net/smtp, net/textproto, and net/url, respectively.

Apart from the packages of the Go standard library, there are external packages that can be imported using their full address, and that should be downloaded on the local machine before their first use. One such example is cobra, which is stored in GitHub.

Purpose and usage

Packages are mainly used ...