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From "Gilles (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MATH-786) "hashCode" in "Pair" class
Date Mon, 07 May 2012 11:29:48 GMT

    [ https://issues.apache.org/jira/browse/MATH-786?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13269535#comment-13269535
] 

Gilles commented on MATH-786:
-----------------------------

bq. See my last sentence, I think your solution is fine.

I had seen it ;)

Just making sure that your "[...] it would be fine I guess." becomes "it would be fine." :)

                
> "hashCode" in "Pair" class
> --------------------------
>
>                 Key: MATH-786
>                 URL: https://issues.apache.org/jira/browse/MATH-786
>             Project: Commons Math
>          Issue Type: Improvement
>    Affects Versions: 3.0
>            Reporter: Gilles
>            Assignee: Gilles
>            Priority: Trivial
>             Fix For: 3.1
>
>
> Since "Pair" is supposed to be an immutable class, couldn't we cache the "hashCode" value
at construction? That would supposedly make it more efficient when used in maps.

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