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From "Gilles (JIRA)" <>
Subject [jira] [Commented] (MATH-1041) Add Pair factory method, toString(), Comparator
Date Wed, 16 Oct 2013 10:10:43 GMT


Gilles commented on MATH-1041:

Also, if CM implemented its own "Pair" for _internal_ purposes. It might not make a lot of
sense to provide extended functionality (such as the comparator) until we really have a need
for it. Users that need such functionality would indeed be better off using the Lang's implementation!

> Add Pair factory method, toString(), Comparator 
> ------------------------------------------------
>                 Key: MATH-1041
>                 URL:
>             Project: Commons Math
>          Issue Type: Improvement
>    Affects Versions: 3.2
>            Reporter: Sean Owen
>            Priority: Minor
>              Labels: comparator, pair
>         Attachments: MATH-1041_Comparator.patch, MATH-1041_Pair.patch
> I use Commons Math heavily, and have adopted its Pair class for the cases where I need,
well, a pair of things.
> The attached patch adds three small improvements to the Pair class:
> - toString() method
> - factory method ".create()" to avoid duplicating generic types on instance creation
> - a Comparator
> Tests are included. I won't feel offended if this is rejected or modified but just wanted
to supply  the suggestion.

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