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Posted to issues@commons.apache.org by "Charles Fineman (JIRA)" <ji...@apache.org> on 2018/02/01 00:44:03 UTC

[jira] [Created] (LANG-1378) Conditional expansion (variation of default value syntax)

Charles Fineman created LANG-1378:
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             Summary: Conditional expansion (variation of default value syntax)
                 Key: LANG-1378
                 URL: https://issues.apache.org/jira/browse/LANG-1378
             Project: Commons Lang
          Issue Type: Improvement
          Components: lang.text.*
    Affects Versions: 3.7
            Reporter: Charles Fineman
             Fix For: 3.8


I'd like to propose an extension to the current syntax (and would consider submitting a PR for it if folks are in favor of the proposal)

There is currently support for: ${undefined.number:-1234567890}

I'm proposing adding: ${defined.number:?The number is ${defined.number}}

My quick glance of the recursive interpolation makes me feel this would be relatively straightforward.

 

Curious when the next version would be released (I asked because I could actually make use of this in something I'm working on right now)

 



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