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Eight reasons for Go

Eight reasons (or bold claims), why I think, Go will be successful in the future - maybe as a lightning talk.

Golang and Cloud Leipzig, 2019-02-08, Basislager

TOC

Simplicity is attractive

  • When Java appeared, it had simpler memory management and promised code reuse (and delivered).
  • Simplicity can be attractive.
  • Go thrives on simplicity - sometimes too much, so there is duplication and boilerplate (but worse can be better).
  • A simple language is faster to learn.
  • play.golang.org

Active community

  • The community seems to grow and the number of tools and libraries are growing.
  • tinygo, Go for microcontrollers, WASM target.
  • Gopherdata works on gonum, a numpy like packages, tfgo (tensorflow integration)
  • Availability books, tutorials (e.g. justforfunc), a million developers.
  • Lots of discussions, open source project and process, no fast additions to the language.

Readability and the standard library

  • Have you ever read through the Java standard library? Yes, no, maybe? Reading of Go standard library is encouraged.
  • I regularly try to read code of some projects (stdlib, go4, cayley, ...).
  • Encouraging to just read code (and expectation or readability) is encouraging on its own.

The net/http package

  • Writing servers has successively become cheaper. With Go, the basics boil down to a few lines. It's good enough. It's also fast enough to start.
  • Everyone wants microservices. With Go you could start even without containers and orchestration.

No callbacks

  • Sequential code, no callback based concurrency (node, twisted).
  • Simple primitives.
  • Encourages to keep channels out of API if possible.

Emphasis on Composition

  • Composition is hard.
  • Go separates behaviour (interfaces) and structure (structs) more. In the best case, network effect of small components that can be plugged together.
  • The io.Reader and io.Writer interfaces.

Tools welcome

  • Go encourages tools, linters, refactoring tools, code generation (api stubs, structs, ...).
  • Go makes it easy to work on Go code.
  • One reason go fmt exists is to have stylisticly equivalent output from machine and human.

Fun

  • Go is fun - for some.