Go

Install into Linux

sudo apt update && sudo apt dist-upgrade -y
sudo apt install golang-go -y
--> verify it is working

go version

Creating Go App

--> create a directory for your program

mkdir go_app

cd go_app
--> enable dependency tracking for your code, you will need this for debugging
go mod init main
--> create your source code file
touch ./main.go

Hello, World! program

// Created by: Mr Coxall

// Created on: Sep 2020

//

// This program displays, "Hello, World!"

package main

import "fmt"

func main() {

  // This function displays, "Hello, World!"

  // the Go standard is to indent using "tabs" NOT spaces!

  fmt.Println("Hello, World!")

  fmt.Println("\nDone.")

}

Run Code

go run ./main.go

Formatting Output

fmt.Printf("The HST is: $%.2f.\n", tax)

Format your code

gofmt -w ./main.go

Linting your code

# binary will be $(go env GOPATH)/bin/golangci-lint

curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.51.1

golangci-lint --version
--> to lint your code
golangci-lint run ./*.go

Tutorials

Go - coding tutorial series