Re: Adding an interface to provide a list of listeners
Glenn Adams <[email protected]>
| Newsgroups | gmane.comp.web.dom.general |
|---|---|
| Message-ID | <CACQ=j+f7HOBkXvQv_31-SZi++80=HaUmEu_qgntZE-GEfWpmfw@mail.gmail.com> |
On Sun, Jul 27, 2014 at 1:42 PM, Anne van Kesteren <[email protected]> wrote: > On Sun, Jul 27, 2014 at 4:47 PM, Glenn Adams <[email protected]> wrote: > > Both the action of adding a listener (observer) and invoking a listener > can > > and does have side effects. So I don't see why you say it should not, > since > > it clearly does. > > I did not talk about triggering the observers. How does adding a > listener clearly have side effects? > (1) it mutates the list of listeners on some node (2) it creates a future promise to invoke those listeners, which invocation may (and usually does) produce side effects > > > -- > http://annevankesteren.nl/ >