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Go

Simple, fast, concurrent. Go basics and the standard library.

Browse 6 tutorials → Other topics

Why learn Go?

  • Tiny language surface — learn the whole thing in a weekend.

  • Compiles to a single static binary, perfect for cloud and CLI tools.

  • Built-in concurrency with goroutines and channels.

  • Dominant in DevOps infra (Docker, Kubernetes, Terraform).

What you can build with Go

High-throughput backends CLI tools and DevOps utilities Microservices and gRPC Network and systems programming

Go tutorials

6 articles

Hand-written tutorials, ordered as a recommended learning path.

  1. 01 Errors A practical guide to Go error handling: the error interface, sentinel values, custom types, wrapping with fmt.Errorf %w, and errors.Is and errors.As.
  2. 02 Goroutines Learn Go concurrency from the ground up: launching goroutines, communicating via channels, using select, range, and building a worker pool pattern.
  3. 03 Interfaces Understand Go interfaces in depth: implicit satisfaction, small interface design, io.Reader and io.Writer, accept interfaces return structs, and type assertions.
  4. 04 Modules A practical tour of Go packages and modules: go mod init, imports, internal packages, semantic versioning, and the replace directive for local development.
  5. 05 Structs A clear guide to Go structs and methods: literal forms, defining methods, choosing value vs pointer receivers, and using embedding for composition.
  6. 06 Testing Get productive with Go tests fast: writing _test.go files, table-driven tests with t.Run, running with go test flags, coverage, and an intro to benchmarks.