Caesar Cipher packed

caesar.cipher.js

// 149 chars :<
/*
function c(o) {
    function t(o, s) {
        return s.replace(/./g, function(c) {
            return String.fromCharCode(c.charCodeAt(0) + o)
        })
    }
    return {
        e: t.bind(c, o),
        d: t.bind(c, -o)
    }
}
*/
function c(o){function t(o,s){return s.replace(/./g,function(c){return String.fromCharCode(c.charCodeAt(0)+o)})}return{e:t.bind(c,o),d:t.bind(c,-o)}}

var caesarCipher = c(3);

caesarCipher.e('Hello world'); // "Khoor#zruog"
caesarCipher.d('Khoor#zruog'); // "Hello world"