Go Programming Guide

Complete guide to Go programming language with practical examples and best practices.

Getting Started

• 00 - Project Setup - Initialize projects, install packages, Docker builds

Core Concepts

• 01 - Basics - Types, variables, operators, conditionals, loops
• 02 - Arrays and Slices - Working with arrays and slices
• 03 - Functions - Functions, closures, defer, variadic functions
• 04 - Structs - Struct types, methods, composition
• 05 - Maps - Hash maps and key-value pairs
• 06 - Pointers - Memory addresses and references
• 07 - Methods and Interfaces - OOP in Go
• 08 - Errors - Error handling patterns
• 09 - Testing - Unit tests, benchmarks, examples
• 10 - Concurrency - Goroutines, channels, patterns
• 11 - Standard Library - Common packages (fmt, strings, time, etc.)

Quick Reference

Hello World

package main

import "fmt"

func main() {
    fmt.Println("Hello, Go!")
}

Run and Build

# Run
go run main.go

# Build
go build -o myapp

# Test
go test ./...

Project Structure

my-project/
├── go.mod
├── go.sum
├── main.go
├── cmd/
├── internal/
└── pkg/

Resources

• Official Documentation
• Go by Example
• Effective Go