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Go Fundamentals

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Maps

Declaration and Initialization Existence of Key-Value Item The for range Construct Challenge: Map the Days Solution Review: Map the Days A Slice of Maps Sorting and Inverting a Map Quiz: Deduce the Outputs

Packages

Overview of the Standard Library Challenge: Construct a Double-Linked List Solution Review: Construct a Double-Linked List The regexp Package Locking and the sync Package Accurate Computations and the big Package Custom Packages and Visibility Documenting Your Packages Custom Packages: Folder Structure, go install and go test Using git for Distribution External Packages, Projects and Libraries Installing External Packages

Structs and Methods

Introduction to Struct Advanced Structs Concepts Factory Method Structs with Tags Anonymous Fields and Embedded Structs Challenge: Anonymous Struct Solution Review: Anonymous Struct Introduction to Methods Methods Versus Functions Challenge: Coordinates of a Point Solution Review: Coordinates of a Point Challenge: Make a Rectangle Solution Review: Make a Rectangle Challenge: Decide Employee Salary Solution Review: Decide Employee Salary Receivers and Methods as Pointers and Values Non-Exported Fields String() Method and Format Specifiers Methods on Embedded Types Multiple Inheritance Challenge: Implement Stack Data Structure Solution Review: Implement Stack Data Structure Garbage Collection and SetFinalizer Quiz: Deduce the Outputs

Interfaces and Reflection

What is an Interface?

Challenge: Make a Simple Interface

Solution Review: Make a Simple Interface

Embedded Interface and Type Assertions

The Type Switch

Challenge: Advancing the Simple Interface

Solution Review: Advancing the Simple Interface

Implementation of Interfaces

Sorting with the Sorter Interface

Challenge: Advancing the Shapes Analysis

Solution Review: Advancing the Shapes Analysis

Challenge: Sort People with Sorter Interface

Solution Review: Sort People with Sorter Interface

Reading and Writing

Empty Interface

Challenge: Implement Miner Interface

Solution Review: Implement Miner Interface

The reflect Package

Printf and Reflection

Interfaces and Dynamic Typing

Structs, Collections and Higher-Order Functions

Challenge: Make a Stack with Variable Internal Types

Solution Review: Make a Stack with Variable Internal Types

The Object Orientation in Go

Quiz: Deduce the Outputs

Reading and Writing

Reading Input from the User Challenge: Analyzing Input from Keyboard Solution Review: Analyzing Input from Keyboard Reading from a File Writing to a File Challenge: Read CSV File Solution Review: Read CSV File Challenge: Writing to a WIKI Page Solution Review: Writing to a WIKI Page Copying Files Reading Arguments from the Command-Line Reading Files with a Buffer Reading and Writing Files with Slices Scanning Inputs A Practical Example of Interfaces The JSON Data Format Decoding with JSON The XML Data Format Data Transport through gob Challenge: Decode the Contents Solution Review: Decode the Contents Cryptography with Go Exercise: Deduce the Outputs

Error-Handling and Testing

Error-Handling Run-time Exceptions and Panic Recover Error-Handling and Panicking in a User-Defined Package Error-Handling Scheme with Closures Challenge: Generate Panic from Division by 0 Solution Review: Generate Panic from Division by 0 Starting an External Command or Program Testing and Benchmarking in Go Testing: A Concrete Example Using Table-Driven Tests Investigating Performance Exercise: Deduce the Outputs

Goroutines and Channels

Handling Concurrency and Parallelism with Go Implementing Goroutines Introduction to Channels Synchronous and Asynchronous Communication Challenge: Demonstrate the Blocking Nature Solution Review: Demonstrate the Blocking Nature Semaphore Pattern Channel Factory and Producer-Consumer Pattern Challenge: Summing the Integers Solution Review: Summing the Integers Channel Directionality Synchronization of goroutines Switching between goroutines Challenge: Devise Random Bit Generator Solution Review: Devise Random Bit Generator Challenge: Map Polar Points to Cartesian Points Solution Review: Map Polar Points to Cartesian Points Channels, Timeouts, and Tickers Using recover with goroutines Tasks and Worker Processes Implementing a Lazy Generator Anonymous Closure Implementing Futures Multiplexing Limiting the Number of Requests Chaining and Parallelizing Computation The Leaky Bucket Algorithm Benchmarking, Accessing and Listening Exercise: Deduce the Outputs

Networking, Templating and Web-Applications

A TCP Server A Simple Web Server Polling Websites and Reading Web Page Writing a Simple Web Application Challenge: Web Application for Statistics Solution Review: Web Application for Statistics Making a Web Application Robust Writing Web Application with Templates Exploring the template Package Challenge: Web Application for Serving Guests Solution Review: Web Application for Serving Guests An Elaborate Web Server Remote Procedure Calls with RPC Sending Mails with SMTP Go in the Cloud

Common Go Pitfalls and Patterns

Regular Mistakes and Suggestions Highlights from the Previous Chapters The comma, ok Pattern The defer Pattern Visibility and Operator Patterns

Performance Advices

Strings, Arrays and Slices Structs, Interfaces and Maps Functions and Files Goroutines and Networking Suggestions and Considerations

Building a Complete Application

Introduction Setting up the Structure of Application Our User Interface Persistent Storage with gob Using goroutines for Performance Persistent Storage with JSON Enhancements

Appendix

Platforms and Architectures Installing Go and the Go Tools-Chain in Binary Format Installing Go from Source Go Work Environment Basic Requirements for a Go Environment Editors and Integrated Development Environments Debugging Formatting the Code Building and Running Go-Programs Searching for Help and Documenting the Code Tools and Go's Performance Interaction with C and C++Helpful Resources

Conclusion

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Challenge: Advancing the Simple Interface

Challenge: Advancing the Simple Interface

This lesson brings you a challenge to solve.

Problem statement

Continuing with the ...