Add a new #filter alias for #select

* In Enumerable, Enumerator::Lazy, Array, Hash and Set
  [Feature #13784] [ruby-core:82285]
* Share specs for the various #select#select! methods and
  reuse them for #filter/#filter!.
* Add corresponding filter tests for select tests.
* Update NEWS.

[Fix GH-1824]

From: Alexander Patrick <adp90@case.edu>

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62575 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 32 insertions, 0 deletions

diff --git a/NEWS b/NEWS
index ab27497082..272b9ba475 100644
--- a/NEWS
+++ b/NEWS
@@ -20,6 +20,13 @@ with all sufficient information, see the ChangeLog file or Redmine
 
 === Core classes updates (outstanding ones only)
 
+* Array
+
+  * Aliased methods:
+
+    * Array#filter is a new alias for Array#select [Feature #13784]
+    * Array#filter! is a new alias for Array#select! [Feature #13784]
+
 * Binding
 
   * New methods:
@@ -40,6 +47,25 @@ with all sufficient information, see the ChangeLog file or Redmine
 
     * added Dir#each_child and Dir#children instance methods. [Feature #13969]
 
+* Enumerable
+
+  * Aliased methods:
+
+    * Enumerable#filter is a new alias for Enumerable#select [Feature #13784]
+
+* Enumerator::Lazy
+
+  * Aliased methods:
+
+    * Enumerator::Lazy#filter is a new alias for Enumerator::Lazy#select [Feature #13784]
+
+* Hash
+
+  * Aliased methods:
+
+    * Hash#filter is a new alias for Hash#select [Feature #13784]
+    * Hash#filter! is a new alias for Hash#select! [Feature #13784]
+
 * Kernel
 
   * Kernel.#system takes :exception option to raise an exception on
@@ -80,6 +106,12 @@ with all sufficient information, see the ChangeLog file or Redmine
 
     * Matrix#antisymmetric?
 
+* Set
+
+  * Aliased methods:
+
+    * Set#filter! is a new alias for Set#select! [Feature #13784]
+
 === Compatibility issues (excluding feature bug fixes)
 
 === Stdlib compatibility issues (excluding feature bug fixes)