Turned into http://code.google.com/p/pharo/issues/detail?id=2984 On 06 Sep 2010, at 12:07, Sven Van Caekenberghe wrote:

Hello,

Is this a bug or am I looking at this the wrong way ?

This usage of #collect:displayingProgress: works as expected:

#(a b c d e f g) collect: [:each | (Delay forMilliseconds: 100) wait. each ] displayingProgress: 'Working'

While this doesn't:

#(a b c d e f g) collect: [:each | (Delay forMilliseconds: 100) wait. each ] displayingProgress: [:each | 'Collecting ', each asString]

The similar #do:displayingProgress: does work. It seems the index is passed into the progress block, not the element. Maybe this is by design ?

Sven

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