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All LessonsFree Lessons (4)

The Basics

Variables & inferred typing Constants Printing Packages and Imports Code Location Exported names Functions and Return values Pointers Mutability Quiz on Go Variables

Types

Type Conversion

Composition vs Inheritance

Exercise on Composition

Collection Types

Working with arraysSlices in Go Range in for loops Maps in Go Quiz on Collection Types Exercise on Maps

Control flow

IF Statement FOR Loop Switch Case Statement Exercise on For Loops Quiz on Control Flow Exercise on Control Flow

Methods

Introduction Code Organization Type Aliasing Method Receivers Quiz on Go Methods

Interfaces

Satisfying Interfaces

Returning Errors

Quiz on Go Interfaces

Exercise on Errors

Concurrency

Concurrent Programming Goroutines Channels Channels Through Illustrations Buffered vs. Unbuffered Channels as Illustrations Range and close Select Quiz on Concurrency Solved Exercise: Step by Step Guide

Get Setup

OSX Windows Linux Extras

Online Coding Challenges

Coding Challenges

Tips & Tricks

Get Your Feet Wet Tips for Importing Packages Tips on Maps & Errors Tips on Compiler Optimization Tips on Constants in Go

An Introduction to Programming in Go/

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Initializing

Initializing

This lesson discusses initializing variables using the new expression in Go

We'll cover the following...

Using the `new` Expression

Now that we know the different types variables can take, we will look into initializing variables. Go supports the new expression to allocate a zeroed value of the requested type and to return a pointer to it.

x := new(int)

As seen in ...