go-demo

Practice materials for Go: Getting Started course

Language Characteristics

• Fast Compilation
• Fully Compiled
• Strongly Typed
• Concurrent by Default
• Garbage Collected
• Simplicity as a Core Value

What Go is good at?

• Web Services
• Web Applications
• Task Automation
• GUI / Thick Client
• Machine Learning

Primitive Data Types

• Variables
• Pointers
• Constants

Collection Types

• Arrays
• Slices
• Maps
• Structs

For Loop Types

• Loop till condition
• Loop till condition with post clause
• Infinite loops
• Loop over collections

Branching

• Panics
• If statements
• Switches

Sample Web Service Project Structure

module "demo/webservice"
    package "models"
        "user.go":  User Model
    package "controllers"
        "front.go": Front Controller that routes all HTTP requests to Back Controllers
        "user.go":  User Controller
    "main.go": Program entry point that starts up the web server

Best Practices

• https://golang.org/doc/effective_go.html
• https://github.com/golang/go/wiki/CodeReviewComments