Issue #18764 has been updated by Henrik Lindberg.

Keywords set to collections functions language


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Feature #18764: Add support for enumerable methods/functions
https://projects.puppetlabs.com/issues/18764#change-81505

Author: Henrik Lindberg
Status: Unreviewed
Priority: Normal
Assignee: 
Category: functions
Target version: 
Affected Puppet version: 
Keywords: collections functions language
Branch: 


With the addition of lambdas/methods in #11331 it is very simple to also add 
support for additional operations on "collections" (arrays and hashes).
As an example, this would select all strings in the array $a that ends in 
".com":
$dot_com_strings = $a.select {|$x| = $x =~ /\.com$/ }

Propose that the following are added:

* collect
* select
* reject
* reduce
* count / length / size
* all
* any - this is a variant on the explicit "in" operator


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