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https://issues.apache.org/jira/browse/COLLECTIONS-333?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thomas Neidhart resolved COLLECTIONS-333.
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Resolution: Won't Fix
Fix Version/s: (was: 4.0)
Assignee: (was: Stephen Kestle)
Not going to happen, as this will break the respective collection contract as
already discussed before.
If somebody really want to do things like this, its better to use the
respective collection class without generics at all.
> Generic versions of Transformed* classes
> ----------------------------------------
>
> Key: COLLECTIONS-333
> URL: https://issues.apache.org/jira/browse/COLLECTIONS-333
> Project: Commons Collections
> Issue Type: Improvement
> Components: Bag, Collection, List, Set
> Affects Versions: 3.2
> Environment: OS X
> Reporter: Edwin Tellman
> Priority: Minor
>
> The generic version of Transformer required the input and output types to be
> identical. This seemed to me to reduce the usefulness of transformed
> collections, as transforming one type into another seems like it would be a
> fairly common operation. I'm not sure how to fix this, however, as it also
> doesn't seem feasible to have a generic TransformedCollection with different
> input and output types that implements Collection<E>. Anyway, this patch
> de-generifies TransformedCollection, which also fixes some compilation
> problems. Please disregard this change if you disagree and have a better
> solution.
> Cloned from COLLECTIONS-243, where there is much Transformed* discussion.
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