tainguyentt / gotraining-studyguide

This repo contains the Ultimate Go Study Guide for students taking the Ultimate Go class.

The Ultimate Go Study Guide

The Ultimate Go Study Guide is a collection of notes taken by Hoanh An for students taking the Ultimate Go class. It is compiled of sample programs with line-by-line comments to help students follow the code better.

Please be aware that this material is no longer being maintained and people should look at the GoTraining repo directly for this content. Ardan Labs can't warranty the accuracy of this material.

https://github.com/ardanlabs/gotraining

Book

The Ultimate Go Notebook was written to suppliment learning from the material in the Go Training repo.

https://education.ardanlabs.com/courses/ultimate-go-notebook

Table of Contents

• Design Philosophy: Guideline
• Language Mechanics
  • Syntax
    • Variable: Built-in types | Zero value concept | Initialization | Conversion vs Casting
    • Struct: Initialization | Name type vs Anonymous type
    • Pointer:
      • Passing by value | Escape analysis | Stack space | Garbage Collection
      • Golang's Code Review Receiver Type
    • Constant: Initialization | iota
    • Function: Initialization
  • Data Structures
    • Array: CPU Cache | TLB | Initialization | Iteration | Type array | Contiguous memory allocation
    • Slice: Initialization | Length vs Capacity | Reference Type | Appending | Slice of Slice | Copy of Slice | UTF-8
    • Map: Initialization | Iteration | Deleting | Finding | Restriction
  • Decoupling
    • Method:
      • Value and Pointer Receiver Call
      • Value and Pointer Semantics
      • Methods are just functions | Function variable
    • Interface:
      • Valueless type | Concrete type vs Interface type | Relationship | Polymorphic function
      • Interface via Pointer Receiver | Method set | Slice of Interface
    • Embedding:
      • Declaring fields, NOT Embedding
      • Embedding type | Inner type promotion
      • Embedded type and Interface
      • Outer and inner type implementing the same Interface
    • Exporting:
      • Guideline
      • Exported identifier
      • Accessing a value of an unexported identifier
      • Unexported fields from an exported struct
      • Exported types with embedded unexported types
• Software Design
  • Composition: Guideline
    • Grouping types:
      • Grouping By State
      • Grouping By Behavior
    • Decoupling:
      • Struct Composition
      • Decoupling With Interface
      • Interface Composition
      • Decoupling With Interface Composition
    • Conversion:
      • Interface Conversions | Type Assertion
      • Runtime Type Assertion
    • Interface Pollution:
      • Interface Pollution
      • Remove Interface Pollution
    • Mocking:
      • Package To Mock
      • Sample Client
  • Error Handling:
    • Default error values
    • Error variables
    • Type as context
    • Behavior as context
    • Finding the bug/pitfall of nil value of error interface
    • Wrapping Errors
  • Packaging: Guideline
  • Dependency management: Go Modules
• Concurrency
  • Mechanics
    • Goroutine:
      • Go Scheduler Internals
      • Language Mechanics
      • Goroutine time slicing
      • Goroutines and parallelism
    • Data race:
      • Race Detection
      • Atomic Functions
      • Mutexes
      • Read/Write Mutex
    • Channel:
      • Guideline
      • Language Mechanics | Unbuffered channel: Signaling with(out) data
      • Unbuffered channel: Double signal | Buffered channel: Close and range | Unbuffered channel: select and receive | Unbuffered channel: select and send | Buffered channel: Select and drop
      • Unbuffered channel (Tennis match)
      • Unbuffered channel (Replay race)
      • Buffered channel: Fan Out
      • Select
  • Patterns
    • Context:
      • Store and retrieve values from a context
      • WithCancel
      • WithDeadline
      • WithTimeout
      • Request/Response
    • Pattern
      • Task
      • Logger
• Testing and Profiling
  • Testing:
    • Basic Unit Test
    • Table Test
    • Sub Test
    • Web Server
    • Mock Server
    • Test Coverage
  • Benchmarking
    • Basic Benchmark
    • Sub Benchmark
  • Fuzzing
    • Guideline
  • Profiling
    • Stack Trace: Review | Packing
    • GODEBUG: Memory Tracing