Maybe v1.
javascript
function type(obj) {
    this.is = function(type) {
        return typeof obj === type;
    };
    this.is_object = function() {
        return typeof obj === "object";
    };
    this.is_func = function() {
        return typeof obj === "function";
    };
    this.is_string = function() {
        return typeof obj === "string";
    };
};
 
 
var maybe = function(item) {
    var __internal = item;
    this.result = function(accessor, __default) {
        if (!__internal) {
            return new type(accessor).is_func() ? __default : accessor;
        }
        return new type(accessor).is_func() ? accessor(__internal) : __internal;
    };
 
    this.select = function(accessor) {
        if (!__internal) {
            return new maybe(null);
        }
        if (new type(accessor).is_string()) {
            return new maybe(__internal[accessor]);
        }
        else {
            return new maybe(accessor(__internal));
        }
    };
};