lib/matrix.rb: Make Matrix & Vector mutable. Add #[]=, #map!.

Adapted from patch by Grzegorz Jakubiak. [#14151] [Fix GH-1769] [Fix GH-1905]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65507 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 8 insertions, 0 deletions

diff --git a/NEWS b/NEWS
index 3ea63f92d4..33d347c176 100644
--- a/NEWS
+++ b/NEWS
@@ -313,6 +313,14 @@ sufficient information, see the ChangeLog file or Redmine
 
     * Matrix#antisymmetric? / #skew_symmetric?
 
+    * Matrix#map! / #collect! [Feature #14151]
+
+    * Matrix#[]=
+
+    * Vector#map! / #collect!
+
+    * Vector#[]=
+
 [Net]
 
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