Emacs Lisp: Convert Int/Float/String
Convert Integer to Float
;; int to float (float 3) ; 3.0
Convert Float to Integer
(truncate 3.3) ; 3
(floor 3.3) ; 3
(ceiling 3.3) ; 4
(round 3.4) ; 3
(info "(elisp) Numeric Conversions")
Convert String and Number
(string-to-number "3") (number-to-string 3)
You can also use format to convert number to string.
[see Format String]
(info "(elisp) String Conversion")
