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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. now ignored. You should also redefine Array#max.
* Array#sum [Feature #12217] * 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
* Dir.empty?. [Feature #10121] * Dir.empty?. [Feature #10121]
* Enumerable
* Enumerable#sum [Feature #12217]
* File * File
* File.empty?. [Feature #9969] * File.empty?. [Feature #9969]
@ -79,7 +85,7 @@ with all sufficient information, see the ChangeLog file or Redmine
=== Compatibility issues (excluding feature bug fixes) === 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 Ruby itself has no compatibility problem because Ruby didn't have sum method
for arrays before Ruby 2.4. for arrays before Ruby 2.4.
However many third party gems, activesupport, facets, simple_stats, etc, However many third party gems, activesupport, facets, simple_stats, etc,