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UndefinedObject should not implement at:put: (or inherit it). This is… #2888

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macta
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@macta macta commented Mar 18, 2019

… the minimal fix

Lots of discussion on the ML about this - but no real decisions. The bare minimum is that nil should throw an error, but a future fix could be to remove at:put: from object.

fixes #2795

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@MarcusDenker MarcusDenker left a comment

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ok

@MarcusDenker MarcusDenker merged commit 5caab78 into pharo-project:Pharo8.0 Mar 19, 2019
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sending at:put: to an undefined object (nil) give confusing error message
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