Golang Learning

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Topic 1: Go Fundamentals

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The Go platform

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• Docker is written in go
• C interop
• Go and garbage collection
• Go Advantages
• Go build for the cloud especially gcp ​

Language Basics and Language structure

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• Start working with some exercises
• Read this reference step by step, it's too much information A must have!!!
• Format your code please
• Packages and hello world ​

Functions and methods

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• Functions by example
• Go to functions and method. Avoid recievers by now A must have!!!
• Alias typing functions
• Defera
  • defer io.NewObject().Close()
    • What is deferred ?
    • defer multiple prints?
    • defer sleep combination ​

Data structures and Data types

• Default values? Zero values
• A tricky notation struct Inherit
• How to implement a set Set
• Grouping objects
  • Slices and arrays w3schoo
  • Maps
    • For each ? Iterate for
• Interfaces
  • Empty interface
    • interface{} ? == or != to any
    • Alias typing and functions ​

Pointers interfaces and functions types

• Pointers and values
• Why this function signature make sense ?
  • func HandleFunc(pattern string, handler func(ResponseWriter, *Request))
• Sentry example interface and pointers ​

Go modules and repo management

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• Hope you never need this but: Those Who Do Not Learn History Are Doomed To Repeat It.
  • Dep
  • go install , everywhere
• Go modules
• Practice: code two modules , publish the code on github and play with them.
  • What happen if you change the version
  • Tag a release
  • go get yourpackage.com ​

Error handling

• Error everywhere
• Error handling
• Recover ​

Unit Testing and Benchmarking

Test, test, test Please consider using this in order to learn testing Learn go with tests Optional BDD ​

First list of exercises

• Fizz buzz
• Palindrome ​
• Ask for input on a terminal , a file or hard code the value

Topic 2: Concurrency and parallelism

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• CSP model
• Patterns
• Concurrency examples
• It's all about the context ​

Topic 3: Go Back-end applications

• Write an API from scratch using echo
  • Your endpoints should be able to crud an object
  • Your code needs 80 % of test coverage
    • You need to mock your db on testing
• Write a cmd application able to call a "public" API
  • It should init a session and save requests and responses on a text file
  • You can use this API if you are interested in
• Optional use grpc for streaming data ​

Final Assessment

• Mock interview , look for some go expert
  • Use this questions to prepare your interview ​

Want to practice?

​ Coding to the next level Gophercises Exercism ​ CheatSheets Everything you need GoRoadMap GoByExample