Golang anatomy: Difference between revisions
From wikinotes
No edit summary |
No edit summary |
||
Line 27: | Line 27: | ||
{{expand | {{expand | ||
| myproject | | myproject/main.go | ||
| | | | ||
<syntaxhighlight lang="go"> | <syntaxhighlight lang="go"> |
Revision as of 04:42, 20 June 2022
Project Structure
myproject/
go.mod # module name, requirements
main.go # optional CLI entrypoint
printer.go # other 'main' package src are in toplevel dir
internal/ # exported symbols from internal packages are only exposed within 'myproject'
logger/ # subpackage
logger.go
math/ # subpackage
division.go
multiplication.go
myproject/go.mod
// myproject/go.mod
module example.com/x/myproject
go 1.18
myproject/main.go
// myproject/main.go
package main
import (
"fmt"
"example.com/x/myproject/internal/logger"
)
func main() {
logger.Info.Println("a log statement")
fmt.Println("hello world")
}
myproject/internal/logger/logger.go
// myproject/internal/logger/logger.go
package logger
var Info *log.Logger
func init() {
Info = log.New(io.Stderr, "INFO: ", log.Ldate|log.Ltime|log.Llongfile)
}