Re: undo-mechanism

[Bernhard Herzog]

Hi,

"N. Volbers" <address@hidden> writes:

> There are however some cases where it would be very convenient if some
> method actually returned a certain value besides the undoinformation.
>
> With the current solution, the only way I can think of is to provide a
> new parameter, a list, to which the return value would be appended.

Another approach would be to return a tuple (result, undoinfo).  I've
used that in Skencil is few places.  It's very rare, though, in my
experience, that a method that returns undoinfo also has to return
another value.


   Bernhard

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