Strange happenings in Pharo ...

Hi!

This stuff, cleaning up unused Code fails in Pharo, but runs
successfully in Squeak 3.10.

(Association allInstances select:
        [:x | ((x value isKindOf: Behavior) and: ['AnOb*' match: x value name]) or:
        ['AnOb*' match: x value class name]])
        collect: [:x | x key -> x value allInstances size]

Same stuff, changed a bit to "AnObj*", runs. Why?

(Association allInstances select:
        [:x | ((x value isKindOf: Behavior) and: ['AnObj*' match: x value
name]) or:
        ['AnObj*' match: x value class name]])
        collect: [:x | x key -> x value allInstances size]

regards, Guido Stepken


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2009/4/24 stepken <[hidden email]>:
This code is broken. Try to guess why.
Clues:
- browse all implementors of #allInstances.
- observe class of x value in the debugger
- observe the or: clause to explain why a non Behavior could pass the
select: phase

> Same stuff, changed a bit to "AnObj*", runs. Why?

There is no match.
This question sounds like "If I change a bit in my program, results
are not the same why ?"

Cheers

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