The Go Language, Control Structures

Why Go?

• The Beginnings of Go
• Go vs Other languages
• Supported Platforms, Cross Compiling
• Key Distinguishing Features

Setting Up Go

• Downloading and Installing Go Setting up Go
• Environment Variables
• Why do we need Git, Mercurial, etc.?
• Go Playground

Basic Program, Go Tools

• Hello World, packages, import, main & main
• Go build
• Go run

Working with Strings

• String Functions
• String Formatting

Data Types

• Data Types in Go.
• Zero Values

Variables and Assignment

• var, := differences new
• Multiple assignment
• Values
• Variables
• Constants

Defer Statement

• Defer
• Defer Evaluation

Errors

• Errors in Go
• Error Conventions
• Custom Errors panic and recover
• defer

Cross Compiling

• Cross Compiling Go Programs

Functions

• Writing a Function
• Return Values
• Multiple Return Values

Pointers, Parameters, Return Values

• Pointers
• Parameters
• Pass by Value, Pass by Reference

Defer, Continue, break, goto, fallthrough

• continue, break, goto with label
• fallthrough for switch

More Go Tools, External Tools, Editor Settings

• go fmt
• go imports nsf/gocode
• go, vet
• vim-go for vim users
• sublime text plugins
• vs-code plugins
• atom plugins

Control Statements

• If/Else
• Switch

Arrays, Slices, Maps, for

• For
• Arrays Slices
• Maps
• Range , continue, break, goto, fallthrough

“OOP” – Structs, Interfaces, Encapsulation, Inheritance, Polymorphism

Structs

• Structs
• Struct Members
• Anonymous Struct Members
• Methods on Structs
• Pointer and Value Receivables in struct methods
• How structs take place of objects

Interfaces

• Interfaces
• Implicitness of Interfaces
• Example with io.Reader and io.Writer
• Type Assertion
• Type Assertion and Switch

Encapsulation, “Object Hierarchy”, “OOP”

• Data Hiding
• Struct Inheritance with Composition
• Polymorphism