Go Language Essentials

Introduction to Go

• Learn the features and origins of Go
• Install and configure Go on your OS
• Choose an IDE
• Review Go Packages

Getting Started

• Learn the basic components of the Go language
• Examine several common programming tasks
• Utilize the built-in library
• Examine keywords and names
• Learn to declare variables and constants
• Review variable lifetime and scope
• Define and use pointers

Working with Basic Data Types

• Examine and work with numbers, strings, and bools
• Understand the importance of UTF-8 in Go
• Use standard packages to manipulate strings
• Use the constant generator

Arrays, Slices, and Maps

• Use and understand the relationship of arrays and slices
• Extend slices using the built-In append function
• Learn slicing techniques
• Create hash tables using the map data type

Structs

• Create user defined data types using struct
• Use struct literal syntax
• Learn the rules of comparing structs
• Learn the mechanism of struct embedding
• Learn how and when to use anonymous fields

Functions

• Declare and call a function
• Return multiple values from a function
• Define a variadic function
• Create a recursive function
• Define and use function objects
• Define and use anonymous functions
• When and how to use deferred functions
  

Error Handling

• Error-handling strategies
• Dealing with errors: panic and recover

Methods

• Review object-oriented programming
• Learn to declare a method
• Use structs with methods to build models
• Learn when to use methods with a pointer receiver

Interface

• Review object-oriented methodologies
• Create and use interfaces to enforce a contract
• Understand interface satisfaction
• Interface type assertions and switches

I/O and Networking

• Work with common file operations
• JSON serialization and marshalling
• Http client and server implementations
• Build a simple http server
• REST: Post and retrieve JSON

Goroutines and Multithreading

• The need for concurrency
• Overview of Goroutines and Channels
• Use buffered and unbuffered channels
• Use select to wait on multiple channels