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From "Gary Gregory (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LANG-1387) Add Span classes to handle checks for overlaps, containment, equality, etc.
Date Tue, 20 Mar 2018 01:26:00 GMT

    [ https://issues.apache.org/jira/browse/LANG-1387?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16405678#comment-16405678
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Gary Gregory commented on LANG-1387:
------------------------------------

Hello,

I am worried that this is too close to the existing Range class. Can you please explain why
this is better or different?

Now that we have Commons Numbers, should this kind of code migrate there?

> Add Span classes to handle checks for overlaps, containment, equality, etc.
> ---------------------------------------------------------------------------
>
>                 Key: LANG-1387
>                 URL: https://issues.apache.org/jira/browse/LANG-1387
>             Project: Commons Lang
>          Issue Type: Improvement
>          Components: lang.*, lang.math.*
>    Affects Versions: 3.7
>            Reporter: Claude Warren
>            Priority: Minor
>
> This is a contribution of a span class as discussed on the mailing list.
> The classes are int and long based and can:
>  # determine if points are within the span.
>  # determine if one span contains another span
>  # determine if two spans overlap
>  # do not have to have 0 (zero) as the index origin.
>  # determine the length of the span
>  # determine the last position in the span.
>  # determine the first position in the span.
> Changes to Number Utils required to detect underflow and overflow calculations.



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