Skip to Content
Go Design Patterns
book

Go Design Patterns

by Mario Castro Contreras
February 2017
Intermediate to advanced
402 pages
8h 7m
English
Packt Publishing
Content preview from Go Design Patterns

Variables and constants

Variables are spaces in computer's memory to store values that can be modified during the execution of the program. Variables and constants have a type like the ones described in preceding text. Although, you don't need to explicitly write the type of them (although you can do it). This property to avoid explicit type declaration is what is called Inferred types. For example:

    //Explicitly declaring a "string" variable 
    var explicit string = "Hello, I'm a explicitly declared variable" 

Here we are declaring a variable (with the keyword var) called explicit of string type. At the same time, we are defining the value to Hello World!.

 //Implicitly declaring a "string". Type inferred inferred := ", I'm an inferred variable "  ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.

Read now

Unlock full access

More than 5,000 organizations count on O’Reilly

AirBnbBlueOriginElectronic ArtsHomeDepotNasdaqRakutenTata Consultancy Services

QuotationMarkO’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.
Julian F.
Head of Cybersecurity
QuotationMarkI wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.
Addison B.
Field Engineer
QuotationMarkI’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.
Amir M.
Data Platform Tech Lead
QuotationMarkI'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Mark W.
Embedded Software Engineer

You might also like

Design Patterns in Go

Design Patterns in Go

Aaron Schlesinger
Go: Design Patterns for Real-World Projects

Go: Design Patterns for Real-World Projects

Vladimir Vivien, Mario Castro Contreras, Mat Ryer
API Design Patterns

API Design Patterns

John J. Geewax

Publisher Resources

ISBN: 9781786466204