The GWT compiler is supposed to remove all unused code.  If you believe that
there's code in there that is unused, or can be removed, I would recommend
filing a bug.  Hopefully a GWT developer would be able to provide more
information about this particular question.

On Sun, Apr 26, 2009 at 5:03 PM, zbo <[email protected]> wrote:

>
> Hello,
>
>   I am working on reducing the compiled js size of a relatively
> complex GWT application.  I've been looking at the detailed output of
> the compile process, and find quite a few blocks of code that seem to
> be included no matter what.  To test things and get a better
> understanding of the GWT compile process, I build a trivial GWT app:
>
>    onModuleLoad() {
>        RootPanel.get().add(new Label("placeholder");
>    }
>
>  Detailed output of this app was approximately 105k in size, and
> filled with code I would expect (management of GWTEvents, onLoad
> methods, String handling, etc) but also a lot of code that I wouldn't
> expect (Hashmap, HashSet, AbstractSet, Set, Collections, etc.)  My
> question - is this entirely necessary, and if not, how do I avoid
> having all of this code included a final compile of a real app?
>
> -Z
>
> >
>

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