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https://issues.apache.org/jira/browse/UIMA-5207?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15746336#comment-15746336
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Marshall Schor commented on UIMA-5207:
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After looking at many things, I'm going to treat this as an exception, and
commit it.
Adding an interface to a class (e.g., adding "Iterable" to FSArray) will break
backwards compatibility for anyone who has implemented a subtype of FSArray
(for example) with their own extension which implemented their method iterator
with a different signature. I think this is quite unlikely.
> make FSArray/List, StringArray/list iterable
> --------------------------------------------
>
> Key: UIMA-5207
> URL: https://issues.apache.org/jira/browse/UIMA-5207
> Project: UIMA
> Issue Type: Improvement
> Components: Core Java Framework
> Affects Versions: 2.9.0SDK
> Reporter: Marshall Schor
> Assignee: Marshall Schor
> Priority: Minor
> Fix For: 3.0.0SDKexp, 2.10.0SDK
>
>
> The common collection-style Feature Structures in UIMA could implement
> iterable, to enable writing for loops over them. Add these to the JCas impls
> for those built-ins.
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