Go is an open source programming language designed for building simple, fast, and reliable software. Please read the official documentation to learn a bit about Go code, tools packages, and modules.

Go by Example is a hands-on introduction to Go using annotated example programs. Check out the first example or browse the full list below.

Hello World Values Variables Constants For If/Else Switch Arrays Slices Maps Range Functions Multiple Return Values Variadic Functions Closures Recursion Pointers Strings and Runes Structs Methods Interfaces Struct Embedding Generics Errors Goroutines Channels Channel Buffering Channel Synchronization Channel Directions Select Timeouts Non-Blocking Channel Operations Closing Channels Range over Channels Timers Tickers Worker Pools WaitGroups Rate Limiting Atomic Counters Mutexes Stateful Goroutines Sorting Sorting by Functions Panic Defer Recover String Functions String Formatting Text Templates Regular Expressions JSON XML Time Epoch Time Formatting / Parsing Random Numbers Number Parsing URL Parsing SHA256 Hashes Base64 Encoding Reading Files Writing Files Line Filters File Paths Directories Temporary Files and Directories Embed Directive Testing and Benchmarking Command-Line Arguments Command-Line Flags Command-Line Subcommands Environment Variables HTTP Clients HTTP Servers Context Spawning Processes Exec'ing Processes Signals Exit