JavaScript----装飾モード

var decoratePair = function(fn) {

    return function(key, value) {

        if (typeof key === 'string') {

            var _temp = {};

            _temp[key] = value;

            key = _temp;

        }

        return fn(key);

    }

};



(function() {



    var storage = {};



    store = decoratePair(function(obj) {

        for (var i in obj) storage[i] = obj[i];

    });



    retrieve = function(key) {

        return storage[key];

    };



})();



console.log(retrieve('name')); // undefined



store('name', 'Mark');

console.log(retrieve('name')); // 'Mark'