Issue #7762 has been updated by Daniel Pittman.

Status changed from In Topic Branch Pending Review to Merged - Pending Release

Merged.  Thanks for the contribution.
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Feature #7762: Allow "unless" as replacement for "if !"
https://projects.puppetlabs.com/issues/7762

Author: Randall Hansen
Status: Merged - Pending Release
Priority: Normal
Assignee: Jeff Weiss
Category: 
Target version: Telly
Affected Puppet version: 
Keywords: 
Branch: https://github.com/puppetlabs/puppet/pull/424


This ticket proposes to implement "unless" as an optional equivalent to "if !".

In the DSL we sometimes need to write "if not", e.g.,

       if ! ($ensure in [ "present", "absent" ]) {
         fail("bluetooth ensure parameter must be absent or present")
       }

Some programming languages replace this with "unless".  Its use is always 
optional, but can make the logic easier to write and to read (since it's easy 
to miss the little !).



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