Powerful Command-Line Applications in Go

Initializing the Pomodoro Application

Start by creating the directory structure for your Pomodoro application under your book’s root directory:

$ mkdir -p $HOME/pragprog.com/rggo/interactiveTools/pomo
$ cd $HOME/pragprog.com/rggo/interactiveTools/pomo

Next, initialize the Go module for this project:

$ cd $HOME/pragprog.com/rggo/interactiveTools/pomo
$ go mod init pragprog.com/rggo/interactiveTools/pomo
go: creating new go.mod: module pragprog.com/rggo/interactiveTools/pomo

Let’s start this application by developing the pomodoro package that contains the business logic to create and use the pomodoro timer. By creating a separate package for the business logic, you can test it independently of ...