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#+TITLE:    :lang go
#+SUBTITLE: The hipster dialect
#+CREATED:  June 15, 2015
#+SINCE:    0.7

* Description :unfold:
This module adds [[https://golang.org][Go]] support, with optional (but recommended) LSP support via
[[https://github.com/golang/tools/blob/master/gopls/README.md][gopls]].

- Code completion (~gocode~)
- Documentation lookup (~godoc~)
- Eldoc support (~go-eldoc~)
- REPL (~gore~)
- Syntax-checking (~flycheck~)
- Auto-formatting on save (~gofmt~) (requires [[doom-module:][:editor format +onsave]])
- Code navigation & refactoring (~go-guru~)
- [[../../editor/file-templates/templates/go-mode][File templates]]
- [[https://github.com/hlissner/doom-snippets/tree/master/go-mode][Snippets]]
- Generate testing code (~go-gen-test~)
- Code checking (~flycheck-golangci-lint~)

** Maintainers
*This module needs a maintainer.* [[doom-contrib-maintainer:][Become a maintainer?]]

** Module flags
- +lsp ::
  Enable LSP support for ~go-mode~. Requires [[doom-module:][:tools lsp]] and a langserver
  (supports gopls). Highly recommended, as the non-LSP experience is deprecated
  (and poor).

** Packages
- [[doom-package:][company-go]] if [[doom-module:][:completion company]] (DEPRECATED)
- [[doom-package:][flycheck-golangci-lint]] if [[doom-module:][:checkers syntax]]
- [[doom-package:][go-eldoc]]
- [[doom-package:][go-gen-test]]
- [[doom-package:][go-guru]]
- [[doom-package:][go-mode]]
- [[doom-package:][gorepl-mode]]
- [[doom-package:][go-tag]]

** Hacks
/No hacks documented for this module./

** TODO Changelog
# This section will be machine generated. Don't edit it by hand.
/This module does not have a changelog yet./

* Installation
[[id:01cffea4-3329-45e2-a892-95a384ab2338][Enable this module in your ~doom!~ block.]]

This module requires Go, a valid =$GOPATH=, and a number of go packages, listed
below.

** Go
- macOS: ~$ brew install go~
- Arch Linux: ~$ pacman -S go~
- openSUSE: ~$ zypper install go~

** Dependencies
- ~gocode~ (for code completion & eldoc support)
- ~godoc~ (for documentation lookup)
- ~gorename~ (for extra refactoring commands)
- ~gore~ (for the REPL)
- ~guru~ (for code navigation & refactoring commands)
- ~goimports~ (/optional/: for auto-formatting code on save & fixing imports)
- ~gotests~ (for generate test code)
- ~gomodifytags~ (for manipulating tags)

#+begin_src sh
export GOPATH=~/work/go

go install github.com/x-motemen/gore/cmd/gore@latest
go install github.com/stamblerre/gocode@latest
go install golang.org/x/tools/cmd/godoc@latest
go install golang.org/x/tools/cmd/goimports@latest
go install golang.org/x/tools/cmd/gorename@latest
go install golang.org/x/tools/cmd/guru@latest
go install github.com/cweill/gotests/gotests@latest
go install github.com/fatih/gomodifytags@latest
#+end_src

- ~golangci-lint~ (optional: for flycheck to integrate golangci-lint results) it
  is recommended to *not* use ~$ go get~ to install this one, check the
  [[https://github.com/golangci/golangci-lint#binary-release][documentation]].

* TODO Usage
#+begin_quote
 🔨 This module has no usage documentation yet. [[doom-contrib-module:][Write some?]]
#+end_quote

* TODO Configuration
#+begin_quote
 🔨 This module has no configuration documentation yet. [[doom-contrib-module:][Write some?]]
#+end_quote

* Troubleshooting
/There are no known problems with this module./ [[doom-report:][Report one?]]

* Frequently asked questions
/This module has no FAQs yet./ [[doom-suggest-faq:][Ask one?]]

* TODO Appendix
#+begin_quote
 🔨 This module has no appendix yet. [[doom-contrib-module:][Write one?]]
#+end_quote