Golang: Libraries

A library is golang program that's not in the main package with a main function.

	package mylib 

	import "fmt"

	func Myfunc() {
		fmt.Printf("Hello, world.\n")
	}

If you put that, call it thelib.go, in $GOPATH/src/github.com/you/yourlib/ and then run

	go install github.com/you/yourlib

Then you'll get a library in $GOPATH/pkg/YOUR_ARCH/github.com/you/yourlib/thelib.a

You can then reference that via

	import "github.com/you/yourlib/"

	...
	
	mylib.Myfunc()

Note the default name you reference the library name is the package name of the library, not the directory name necessarily.

Note:

A library can have only one main package, mylib in this case. So any files not in that package must be in subdirectories of the /src folder.

golang golang-libraries

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