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From "Paul King (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (GROOVY-7624) Collection asImmutable() methods aren't immutable
Date Tue, 06 Mar 2018 12:22:00 GMT

     [ https://issues.apache.org/jira/browse/GROOVY-7624?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Paul King reassigned GROOVY-7624:
---------------------------------

    Assignee: Paul King

> Collection asImmutable() methods aren't immutable
> -------------------------------------------------
>
>                 Key: GROOVY-7624
>                 URL: https://issues.apache.org/jira/browse/GROOVY-7624
>             Project: Groovy
>          Issue Type: Bug
>          Components: groovy-jdk
>    Affects Versions: 2.4.5
>            Reporter: Christopher Smith
>            Assignee: Paul King
>            Priority: Minor
>              Labels: breaking
>
> The contract for the Collection {{asImmutable()}} methods specify that the returned collection
is immutable, but in fact the collection is merely read-only; it uses {{Collections.unmodifiable*()}},
which wraps an underlying collection that is still mutable.
> These methods should return actual immutable collections, either using Collections unmodifiables
with copies of the underlying collections or using an actual immutable backing implementation,
a la Guava.



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