On Tue, Jun 21, 2011 at 1:55 AM, Mariusz Nowak
<[email protected]> wrote:
> Peter Michaux wrote:
>> You want to allow the API (a.k.a. public methods) of an object to be
>> overridden, but you don't want the functionality of any non-overidden
>> API methods to change. In short, you want to avoid the template
>> pattern. I gave a synthetic example in the sideways calls thread I
>> started.
> I'm actually not sure about that. I would even say that allowing such
> sideway calls within 'instance' methods would be bad hint. I wouldn't like
> to approach following code, it doesn't allow to extend A the way I may need
> to:
>
> var A = function () {};
> A.prototype = {
> one: function () {
> return A.prototype.two.call(this, args...);
> },
> two: function () {
> ...
> }
> };
Yes it may seem inconvenient but it is a decision for the the person
creating the class, not the person trying to extend the class.
Peter
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