[squeak-dev] Re: Project Refactoring -- Please test it

marcel.taeumel Marcel.Taeumel at hpi.de
Mon May 2 15:56:07 UTC 2016

Hi Chris,

of course not. Try putting an error in LazyListMorph >> #drawOn:. Before and
after the change set. See, what happens. :-)

Hint: The Morphic "yellow cross of death" has a serious flaw. After a single
error, it aborts the drawing and forgets about the current damage. To
recover to a stable state GUI state, we have to keep on redrawing the whole
world until no further error occurs.

So, after putting an error into LazyListMorph >> #drawOn:, you cannot even
open a debugger and hence the emergency REPL appears. Before the change set,
you have to hit escape several times before reaching a stable state again.

Try it out. :-)


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