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Posted to issues@commons.apache.org by "Henri Yandell (JIRA)" <ji...@apache.org> on 2012/09/12 07:46:08 UTC

[jira] [Updated] (LANG-819) EnumUtils.generateBitVector needs a "? extends"

     [ https://issues.apache.org/jira/browse/LANG-819?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Henri Yandell updated LANG-819:
-------------------------------

    Component/s: lang.*
    
> EnumUtils.generateBitVector needs a "? extends"
> -----------------------------------------------
>
>                 Key: LANG-819
>                 URL: https://issues.apache.org/jira/browse/LANG-819
>             Project: Commons Lang
>          Issue Type: Bug
>          Components: lang.*
>    Affects Versions: 3.0.1
>            Reporter: Shevek
>            Priority: Minor
>
>     public static <E extends Enum<E>> long generateBitVector(Class<E> enumClass, Iterable<E> values) {
> Should be Iterable<? extends E>.
> This is because although no subclasses of E can exist, the "? extends" is a common idiom for marking the collection as readonly, or not "owned" by the current object.

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