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+;;; functions.el --- Helper functions -*- lexical-binding: t -*-
+
+;; Author: William Carroll <wpcarro@gmail.com>
+;; Version: 0.0.1
+;; URL: https://git.wpcarro.dev/wpcarro/briefcase
+;; Package-Requires: ((emacs "24"))
+
+;;; Commentary:
+;; This file hopefully contains friendly APIs that making ELisp development more
+;; enjoyable.
+
+;; TODO: Break these out into separate modules.
+
+;;; Code:
+(defun functions-evil-window-vsplit-right ()
+  "Split the window vertically and focus the right half."
+  (interactive)
+  (evil-window-vsplit)
+  (windmove-right))
+
+(defun functions-evil-window-split-down ()
+  "Split the window horizontal and focus the bottom half."
+  (interactive)
+  (evil-window-split)
+  (windmove-down))
+
+(defun functions-create-snippet ()
+  "Create a window split and then opens the Yasnippet editor."
+  (interactive)
+  (evil-window-vsplit)
+  (call-interactively #'yas-new-snippet))
+
+(defun functions-evil-replace-under-point ()
+  "Faster than typing %s//thing/g."
+  (interactive)
+  (let ((term (s-replace "/" "\\/" (symbol-to-string (symbol-at-point)))))
+    (save-excursion
+      (evil-ex (concat "%s/\\b" term "\\b/")))))
+
+(defun functions-buffer-dirname ()
+  "Return the directory name of the current buffer as a string."
+  (->> buffer-file-name
+       f-dirname
+       f-filename))
+
+(provide 'functions)
+;;; functions.el ends here