[jira] Commented: (SANDBOX-225) [functor] List functions

["Matt Benson (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SANDBOX-225?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12587744#action_12587744 ] 

Matt Benson commented on SANDBOX-225:
-------------------------------------

foldl actually appears to be implemented in [functor] as Algorithms.inject(...), unless I have misunderstood.  It seems foldr could then be accomplished by rearranging arguments to inject().  reverse is so thinly implemented by a core JDK utility method I don't see much point in adding it.

As for the zip* functions, these might be served by adding a BinaryGenerator interface.  I'll open a new issue for discussion of that concept.

> [functor] List functions
> ------------------------
>
>                 Key: SANDBOX-225
>                 URL: https://issues.apache.org/jira/browse/SANDBOX-225
>             Project: Commons Sandbox
>          Issue Type: Improvement
>          Components: Functor
>         Environment: Operating System: other
> Platform: Other
>            Reporter: Dmitri Pissarenko
>            Priority: Minor
>
> Hello!
> I want to extend Apache Commons Functor by some additional functionality, which
> is described at the URL below.
> http://dapissarenko.com/resources/2005_09_18_apacheFunctor/ 
> The patches for the described functionality are available here:
> context patch: http://dapissarenko.com/resources/2005_11_16_functor/patch-context
> unified patch: http://dapissarenko.com/resources/2005_11_16_functor/patch-unified
> standard patch: http://dapissarenko.com/resources/2005_11_16_functor/patch-standard
> Best regards
> Dmitri Pissarenko

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