Golang anatomy: Difference between revisions
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# build/run main package | # build/run main package | ||
go run . | go run . |
Revision as of 01:31, 21 June 2022
This page is a general getting started in go.
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.gomyproject/go.mod
// myproject/go.mod module example.com/x/myproject go 1.18myproject/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) }
Documentation
go doc io
Build
# build/run main package go run . # test # build management go build go clean go install