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Posted to issues@commons.apache.org by "Henri Yandell (JIRA)" <ji...@apache.org> on 2010/02/07 06:24:27 UTC

[jira] Issue Comment Edited: (LANG-588) Create a basic Pair class

    [ https://issues.apache.org/jira/browse/LANG-588?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12830653#action_12830653 ] 

Henri Yandell edited comment on LANG-588 at 2/7/10 5:23 AM:
------------------------------------------------------------

It was for IP sake - I wrote it as an exercise instead of for any use. Happy to use yours instead.

Comments on your patches:

* Javadoc for pairOf/matchedPairOf needs filling in.
* @since should be '3.0' and not 'Lang 3.0'
* The static import in the tests makes me cringe, but I know you like using them. First time I looked at the code (as I looked at tests first) I went looking in the file to see where the utility pairOf method was, while wondering why you'd done such a thing.
* I'm not sure about the Iterable concept for MatchedPair. It could be in the parent as well as an Object iteration.
* I do like the notion of Iterable if it becomes a tree walker - i.e. it iterates down Pairs of Pairs. It could be:  depthFirstIterate() & breadthFirstIterate().
* Possibly some kind of construction parameter that sets the default to be depthFirst or breadthFirst. Or we could just declare one to be the default.

      was (Author: bayard):
    It was for IP sake - I wrote it as an exercise instead of for any use. Happy to use yours instead.

Comments on your patches:

* Javadoc for pairOf/matchedPairOf needs filling in.
* @since should be '3.0' and not 'Lang 3.0'
* The static import in the tests makes me cringe, but I know you like using them. First time I looked at the code (as I looked at tests first) I went looking in the file to see where the utility pairOf method was, while wondering why you'd done such a thing.
* I'm not sure about the Iterable concept for MatchedPair.
* I do like the notion of Iterable if it becomes a tree walker - i.e. it iterates down Pairs of Pairs. It could then be in the parent and could be:  depthFirstIterate() & breadthFirstIterate().
  
> Create a basic Pair<L, R> class
> -------------------------------
>
>                 Key: LANG-588
>                 URL: https://issues.apache.org/jira/browse/LANG-588
>             Project: Commons Lang
>          Issue Type: New Feature
>          Components: lang.*
>            Reporter: Matt Benson
>             Fix For: 3.0
>
>         Attachments: MatchedPair.java, MatchedPairTest.java, Pair.java, PairTest.java
>
>
> [lang] is the perfect place to provide a basic typed Pair class.  I have written such a class for my employer (who hasn't?) but can/will rewrite blind to avoid IP issues.  I think it's also nice to go ahead and extend this to MatchedPair<T> extends Pair<T, T> as well.

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