Go (Golang) Crash Course: The Complete Language Tour

🚀 Write Go Like a Senior Engineer → https://levelupgo.dev A complete crash course of Go (Golang) fast & easy. In about 20 minutes. We cover the whole language: variables, functions, error handling, loops, slices and maps, structs and interfaces, and Go's concurrency model with goroutines and channels. Good starting point if you already program and want to get a tour of go. ⏱️ Timeline 0:00 Introduction 0:10 Declaring variables (var and :=) 1:42 Constants 1:55 Printing with fmt 2:18 If / else conditionals 3:16 Switch statements 3:51 Functions 4:18 Multiple return values 4:58 defer & cleanup 5:37 Error handling 6:40 Loops 7:30 Arrays 9:06 Slices 10:54 Maps 11:44 Structs 12:24 Methods 13:20 Pointer receivers 13:45 Composition (struct embedding) 14:55 Interfaces 16:06 Goroutines 16:53 Channels 18:11 WaitGroups 18:41 select 19:13 Generics 19:46 Wrap-up