/gotutorial

Why go?

  • Great toolchain
  • Rich standard library, especially for systems-level and network-level programming (e.g. HTTP servers)
  • Simple primitives for concurrency
  • Light-weight, statically linked binaries
  • Strongly typed, fast & informative compiler
  • Very simple language, often only one way to do things
  • Vibrant community

Getting Started

  • Install Golang (brew)
  • Install Sublime Text 3 (or your favourite editor)

go Toolchain

Most commonly used commands:

  • go get [-t -u -v -d]
  • go install
  • go run

Also used:

  • go fmt (if your editor doesn't do it for you)
  • go test [-c]
  • go build
  • go list

Code Organization

  • $GOPATH
  • pkg, bin, src
  • PATH=$GOPATH/bin:$PATH
  • Optional: direnv
  • libraries and executables

Editor Tools

  • Autocompletion
  • Autoformatting
  • Auto-imports
  • (For Sublime): GoSublime + goimports

Testing

  • Ginkgo and Gomega
  • Advanced: gbytes, gexec, ghttp
  • Advanced: custom Gomega matchers

Scripting and Experimentation

Learning

  • Tour
  • Go Koans
  • Documentation
    • Standard library is very well documented
    • Many other libraries' documentation can be found on godoc.org
    • Advanced: spin up your own godoc server

Dependency Management

  • godep
  • Advanced: vendoring via submodules
    • Gotcha: hg

Advanced: Debugging and Profiling

  • pprof (debug server, profiling tool)

Advanced: Version Management

  • gvm