CodeSchool-OnTrackWithGolang.pdf

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Level 1–1

3, 2, 1... Go!

Taking the First Steps

What Is Go?

Go is an

open-source

programming language created by Google in 2007. It makes it easy to

build

simple, eﬃcient

programs. Here are some of its main characteristics:

Compiled

(compiler generates single executable

ﬁle)

Statically typed

(types are enforced before program is run)

Fast

(concurrency built in)

Easy to deploy

Fun to write!

Compiling

Source code

Deploying

Executable

(Linux, Windows, OS X,

OpenBSD, etc.)

Systems Programming

Go is a great language choice for writing lower-level programs that provide services to other

systems. This type of programming is called

systems programming.

Allows users to perform tasks

(Very common — your friends and family all use these)

Provides services to other systems

(By developers, for developers)

Application

Programs

vs.

System

Programs

E-commerce

To-do lists

Text editors

Music players

APIs

Game engines

Network applications

CLI apps

(command line)

What We’ll Learn

In this course, we’ll look at the most common features used when writing programs in Go.

Things we’ll learn:

Building and running programs

Importing and creating packages

Basic constructs

(functions, variables, loops, conditionals)

Data types

Concurrency with

goroutines

CodeSchool-OnTrackWithGolang.pdf

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