Re: [tcltk-perl] Change the way that %-subs are handled.

[Jeff H. <je...@Ac...>]

Konovalov, Vadim wrote:
> I still hope that "correct" method is doable, namely
> 
>     $mw->bind('<Motion>', \&hadler), 
>     sub handler {
>       # uses %-subs freely, 
>       print Ev('x');
>     }
> 
> I thought this is quite doable with Ev to do some preparations first (to
> manage which results must be stored), and then return an object that, at a
> time when its result is needed, retreives it properly.
	...
> BTW, probably right now it is the right moment to check how this is
> implemented in Ruby or Python.

Python creates an object that tries to grab all the relevant
%-subs.  It is flawed in that it grabs all %-subs, whether
they are pertinent to the event type or not.  This also is
slower than the selective %-subs model.

-- 
     Jeff Hobbs, The Tcl Guy
     http://www.ActiveState.com/, a division of Sophos