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Describe Enumerable#sum in NEWS [ci skip]

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55049 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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mrkn 2016-05-18 03:21:53 +00:00
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@ -27,11 +27,17 @@ with all sufficient information, see the ChangeLog file or Redmine
now ignored. You should also redefine Array#max.
* Array#sum [Feature #12217]
This is different from Enumerable#sum in that Array#sum doesn't depend on
the definition of each method.
* Dir
* Dir.empty?. [Feature #10121]
* Enumerable
* Enumerable#sum [Feature #12217]
* File
* File.empty?. [Feature #9969]
@ -79,7 +85,7 @@ with all sufficient information, see the ChangeLog file or Redmine
=== Compatibility issues (excluding feature bug fixes)
* Array#sum is implemented. [Feature #12217]
* Array#sum and Enumerable#sum are implemented. [Feature #12217]
Ruby itself has no compatibility problem because Ruby didn't have sum method
for arrays before Ruby 2.4.
However many third party gems, activesupport, facets, simple_stats, etc,