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authorakr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2016-05-17 13:26:24 +0000
committerakr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2016-05-17 13:26:24 +0000
commit341b34d7339c267c51448d35d9e8f47413fbcc53 (patch)
treed4b08e56f66c5375cb213be532d4c32567cd0f60
parent3c7f671a5575530c77fe768415112ee637afab8c (diff)
add issue number for Array#sum incompatitbility description.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55031 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
-rw-r--r--NEWS5
1 files changed, 3 insertions, 2 deletions
diff --git a/NEWS b/NEWS
index 9e8d3ea5743..21a8342443f 100644
--- a/NEWS
+++ b/NEWS
@@ -78,8 +78,9 @@ with all sufficient information, see the ChangeLog file or Redmine
=== Compatibility issues (excluding feature bug fixes)
-* Array#sum is implemented. Ruby itself has no compatibility problem
- because Ruby didn't have sum method for arrays before Ruby 2.4.
+* Array#sum is 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,
defines sum method. These implementations are mostly compatible but
there are subtle differences.