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;;; haskell.el --- My Haskell preferences -*- lexical-binding: t -*-
;; Author: William Carroll <wpcarro@gmail.com>
;;; Commentary:
;; Hosts my Haskell development preferences
;;; Code:
;; Haskell support
(use-package intero
:config
(intero-global-mode 1))
;; text objects for Haskell
(quelpa '(evil-text-objects-haskell
:fetcher github
:repo "urbint/evil-text-objects-haskell"))
(require 'evil-text-objects-haskell)
(use-package haskell-mode
:gfhook #'evil-text-objects-haskell/install
:after (intero evil-text-objects-haskell)
:config
(flycheck-add-next-checker 'intero 'haskell-hlint)
(let ((m-symbols
'(("`mappend`" . "⊕")
("<>" . "⊕"))))
(dolist (item m-symbols) (add-to-list 'haskell-font-lock-symbols-alist item)))
(setq haskell-font-lock-symbols t)
(add-hook 'before-save-hook #'haskell-align-imports))
(defun empire/haskell/module->test ()
"Jump from a module to a test."
(let ((filename (->> buffer-file-name
(s-replace "/src/" "/test/")
(s-replace ".hs" "Test.hs")
find-file)))
(make-directory (f-dirname filename) t)
(find-file filename)))
(defun empire/haskell/test->module ()
"Jump from a test to a module."
(let ((filename (->> buffer-file-name
(s-replace "/test/" "/src/")
(s-replace "Test.hs" ".hs")
)))
(make-directory (f-dirname filename) t)
(find-file filename)))
(defun empire/haskell/test<->module ()
"Toggle between test and module in Haskell."
(interactive)
(if (s-contains? "/src/" buffer-file-name)
(empire/haskell/module->test)
(empire/haskell/test->module)))
(provide 'wpc-haskell)
;;; wpc-haskell.el ends here
|
