Developing a Basic Phone Book Application

Let’s learn how to create a command-line phone book app using hardcoded data for users to search and list records by surname.

We'll cover the following...

Introduction
- Shortcomings
- Description
Implementation details

Introduction

In this lesson, to utilize the skills we’ve picked up so far, we will develop a basic phone book application in Go. Despite its limitations, the presented application is a command-line utility that searches a slice of structures that is statically defined (hardcoded) in the Go code. The utility offers support for two commands named search and list that search for a given surname and return its full record if the surname is found and lists all available records, respectively.

Shortcomings

The implementation has many shortcomings, including the following:

If we want to add or delete any data, we ...

Course Introduction

Introduction to Go

Basic Go Data Types

Composite Data Types

Reflection and Interfaces

Go Packages and Functions

Telling a UNIX System What to Do

Go Concurrency

Building Web Services

Working with TCP/IP and WebSocket

Working with REST APIs

Code Testing and Profiling

Working with gRPC

Go Generics

Conclusion

Appendix A—Go Garbage Collector

Developing a Basic Phone Book Application

Introduction

Shortcomings