On Thu, 30 Jan 2003 12:56:09 +0100 =3D?iso-8859-1?Q?Tobias_K=3DE4s?=3D =
<tobias.kaes at gmx.de> wrote:
>Does anyone know what happens, if the implementation of a method is =
changed while it is executed? I'm interested in=CAhow dynamic systems =
handle such situations, so if you know how it is done here, or have any =
ideas how it could be solved please tell me :)=20

Changes to method implementation take effect when that method next =
begins execution. If the method was already running when the =
implementation changed, it will continue to run with the old version. =
If you want to change methods that are running, the general solution is =
to refactor the code so that the method returns and is restarted =
frequently. So, rather than one method with a loop:
----------
main

	[
		self doThis.
		self doThat.
	] repeat
----------

you would do something like

----------
main

	[self innerLoop] repeat
----------
innerLoop

	self doThis.
	self doThat.
----------

This would allow you to change the implementation of innerLoop and have =
that change take effect sooner.

Cheers,
Bob