how-to-set-up-go-environment.md

How ot set up a Go environment on macOS?

1. install

brew install go

2. create your workspace directory

mkdir $HOME/go
cd !$

3. edit and source setenv.sh

setenv.sh:

#!/bin/bash

export GOPATH=$(pwd)
export PATH=$PATH:/usr/local/opt/go/libexec/bin:$GOPATH

source it

source ./setenv.sh

4. check your environment

go version

5. edit your first go program

hello.go:

package main

import "fmt"

func main() {
    fmt.Printf("hello, world\n")
}

build & run

mkdir src/go
cd !$
vim hello.go
go build
./hello

6. run "A Tour of Go" locally

go get golang.org/x/tour/gotour
# in $GOPATH/bin
gotour

reference

1. Go doc
2. Go wiki