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+;;; lazy-numbers.el --- Enter numbers without moving your hands off the home row -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2026 Verdant
+
+;; Author: Verdant <verdant.im@outlook.com>
+;; Version: 0.1
+;; Package-Requires: ((emacs "27.1"))
+;; Keywords: convenience, tools, lazy
+;; URL: https://github.com/yingyu5658/lazy-numbers.el
+
+;;; Commentary:
+;; Use `C-'` and home row keys to enter numbers
+;;; Code:
+
+(defvar lazy-number-transient-map
+  (let ((map (make-sparse-keymap)))
+    (define-key map (kbd "a") (lambda () (interactive) (insert "1") (forward-char 1)))
+    (define-key map (kbd "s") (lambda () (interactive) (insert "2") (forward-char 1)))
+    (define-key map (kbd "d") (lambda () (interactive) (insert "3") (forward-char 1)))
+    (define-key map (kbd "f") (lambda () (interactive) (insert "4") (forward-char 1)))
+    (define-key map (kbd "g") (lambda () (interactive) (insert "5") (forward-char 1)))
+    (define-key map (kbd "h") (lambda () (interactive) (insert "6") (forward-char 1)))
+    (define-key map (kbd "j") (lambda () (interactive) (insert "7") (forward-char 1)))
+    (define-key map (kbd "k") (lambda () (interactive) (insert "8") (forward-char 1)))
+    (define-key map (kbd "l") (lambda () (interactive) (insert "9") (forward-char 1)))
+    (define-key map (kbd ";") (lambda () (interactive) (insert "0") (forward-char 1)))
+
+    ;; exit
+    (define-key map (kbd "ESC") #'keyboard-quit)
+    map)
+  "Key map for SPC number input.")
+
+(defun lazy-number-enter ()
+  "Enter transient number input mode."
+  (interactive)
+  (set-transient-map lazy-number-transient-map t))
+
+(global-set-key (kbd "C-'") #'lazy-number-enter)
+
+(defvar lazy-number-mode-map
+  (let ((map (make-sparse-keymap)))
+    (define-key map (kbd "C-'") #'lazy-number-enter)
+    map))
+
+(provide 'lazy-numbers)
+
+;;; lazy-number.el ends here