Go lang: adding a GitHub import

In your go code

import "github.com/valyala/fasthttp"

#Add to your ~/.bash_profile file for OS X and ~/.bashrc for Linux

export GOPATH=$HOME/golib

export PATH="$PATH:$GOPATH"

# OSX

source~/.bash_profile

# Linux

source~/.bashrc

go get -u github.com/valyala/fasthttp