Emacs Configuration File

.emacs

(require 'package)
(add-to-list 'package-archives '("melpa" . "https://melpa.org/packages/") t)
(package-initialize)
(custom-set-variables
 ;; custom-set-variables was added by Custom.
 ;; If you edit it by hand, you could mess it up, so be careful.
 ;; Your init file should contain only one such instance.
 ;; If there is more than one, they won't work right.
 '(ansi-color-faces-vector
   [default default default italic underline success warning error])
 '(custom-enabled-themes '(wombat))
 '(package-selected-packages '(go-mode ##)))
(custom-set-faces
 ;; custom-set-faces was added by Custom.
 ;; If you edit it by hand, you could mess it up, so be careful.
 ;; Your init file should contain only one such instance.
 ;; If there is more than one, they won't work right.
 )


;; disable splash screen and startup message
(setq inhibit-startup-message t) 
(setq initial-scratch-message nil)

;; disable backup
(setq backup-inhibited t)
;; disable auto save
(setq auto-save-default nil)

;; Font size:
(set-face-attribute 'default nil :height 250)

;; Disable line wrap
(setq-default truncate-lines t)

;; Display line numbers
(add-hook 'prog-mode-hook 'display-line-numbers-mode)

;; if Mac keyboard Input Sources shortcut is not disabled, than use Meta key 
;; (global-set-key (kbd "M-SPC") 'set-mark-command)

;; Bind AltGr + 7 to insert { and AltGr + 0 to insert }
(global-set-key (kbd "M-7") "{")
(global-set-key (kbd "M-0") "}")

;; Bind AltGr + 8 to insert [ and AltGr + 9 to insert ]
(global-set-key (kbd "M-8") "[")
(global-set-key (kbd "M-9") "]")


;; matching paranthesis
(electric-pair-mode 1)


;; ================ The Go IDE ===================

(require 'go-mode)

;; format go code
(defun run-gofmt-hook ()
  "Run Gofmt hook."
  ;; Add `gofmt` to `before-save-hook'.
  (add-hook 'before-save-hook 'gofmt nil t))

(add-hook 'go-mode-hook 'run-gofmt-hook)

(defun go-run ()
  (interactive)
  (compile (concat "go run " (buffer-file-name))))

(defun go-test ()
  (interactive)
  (compile (concat "go test " (file-name-directory (buffer-file-name)))))

(defun goimports-before-save ()
  "Add imports, remove unused imports, and format code using goimports."
  (interactive)
  (when (eq major-mode 'go-mode)
    (let ((orig-point (point)))
      (goimports)
      (gofmt)
      (goto-char orig-point))))

(define-key go-mode-map (kbd "C-c C-c") 'go-run)
(define-key go-mode-map (kbd "C-c C-t") 'go-test)


;; ================ The Go IDE ===================