Golang packages: Difference between revisions
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import ( | import ( | ||
"fmt" // builtin pkgs have no module-path prefix | "fmt" // builtin pkgs have no module-path prefix | ||
"golang.org/x/example/stringutil" // | "golang.org/x/example/stringutil" // non-builtin pkgs have module-path prefix (incl. local sub-packages) | ||
) | ) | ||
</syntaxhighlight> | </syntaxhighlight> |
Revision as of 19:59, 23 May 2022
Imports
import "fmt" import ( "fmt" // builtin pkgs have no module-path prefix "golang.org/x/example/stringutil" // non-builtin pkgs have module-path prefix (incl. local sub-packages) )
Defining Packages
# project heirarchy myproject/ mypackage/ libfoo.go libbar.go main.go go.mod
myproject/go.mod
// go.mod module github.com/you/myproject go 1.18
myproject/main.go
// main.go package main import "github.com/you/myproject/mypackage" func main() { mypackage.PrintHi(); }
myproject/mypackage/libfoo.go
// mypackage/libfoo.go package mypackage import "fmt" func PrintHi() { fmt.Println("hi") }