after investigation, the problem seems to lie in a complicated scenario where I ended up modifying the list that I was iterating on.

nicolas

On 14/08/2015 11:53, Nicolas Anquetil wrote:

this is the normal FMMultiValueLink>>add: anElement

    anElement perform: opposite with: owner.
    (values includes: anElement) not ifTrue: [
        values add: anElement ].
    ^anElement


it fails because anElement is nil (because each was nil in previous step)

nicolas

On 14/08/2015 11:31, Guillaume Larcheveque wrote:
can you show one step above in the stack because your problem is in the #add: of FMMultivalue link

2015-08-14 16:26 GMT+02:00 Nicolas Anquetil <nicolas.anquetil@inria.fr>:
How is this possible?



aCollection is an array with 1 element (an AdaParameter ...)
but each in the do: block contains nil (so the add: gives a DNU) !?!?!?

I have no idea how this can be possible

Any clue

nicolas

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Guillaume Larcheveque



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