(require 'ivy)
;;; 使用例
;; (ivy-read "ivy test: " '("for example" "test" "helm" "ivy"))
;; (ido-completing-read "ivy test: " '("for example" "test" "helm" "ivy"))
;; (ivy-read "ivy test: " (directory-files "/"))
;; (ido-completing-read "ivy test: " (directory-files "/"))