From 5e4626c9ba43027ba7bc6d6f6bbee7016512d0e6 Mon Sep 17 00:00:00 2001
From: ksss <co000ri@gmail.com>
Date: Sun, 23 Mar 2014 00:38:35 +0900
Subject: Hash#{select,select!} support return Enumerator if non block given

---
 mrblib/hash.rb | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/mrblib/hash.rb b/mrblib/hash.rb
index cd6ba8935..9dcfb7e94 100644
--- a/mrblib/hash.rb
+++ b/mrblib/hash.rb
@@ -162,6 +162,8 @@ class Hash
 
   # 1.9 Hash#select! returns Hash; ISO says nothing.
   def select!(&b)
+    return to_enum :select! unless block_given?
+
     keys = []
     self.each_key{|k|
       v = self[k]
@@ -178,6 +180,8 @@ class Hash
 
   # 1.9 Hash#select returns Hash; ISO says nothing.
   def select(&b)
+    return to_enum :select unless block_given?
+
     h = {}
     self.each_key{|k|
       v = self[k]
-- 
cgit v1.2.3


From d09e4475bf3272d594e88b41ad1265da2c5517ec Mon Sep 17 00:00:00 2001
From: ksss <co000ri@gmail.com>
Date: Sun, 23 Mar 2014 09:48:51 +0900
Subject: Hash#{select,select!} fix yield value

---
 mrbgems/mruby-enumerator/test/enumerator.rb | 14 ++++++++++++++
 mrblib/hash.rb                              |  4 ++--
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/mrbgems/mruby-enumerator/test/enumerator.rb b/mrbgems/mruby-enumerator/test/enumerator.rb
index fdee06450..6c224eaa3 100644
--- a/mrbgems/mruby-enumerator/test/enumerator.rb
+++ b/mrbgems/mruby-enumerator/test/enumerator.rb
@@ -494,6 +494,20 @@ assert 'Hash#each_value' do
   assert_equal [1,2], {a:1,b:2}.each_value.to_a.sort
 end
 
+assert 'Hash#select' do
+  h = {1=>2,3=>4,5=>6}
+  hret = h.select.with_index {|a,b| a[1] == 4}
+  assert_equal({3=>4}, hret)
+  assert_equal({1=>2,3=>4,5=>6}, h)
+end
+
+assert 'Hash#select!' do
+  h = {1=>2,3=>4,5=>6}
+  hret = h.select!.with_index {|a,b| a[1] == 4}
+  assert_equal h, hret
+  assert_equal({3=>4}, h)
+end
+
 assert 'Range#each' do
   a = (1..5)
   b = a.each
diff --git a/mrblib/hash.rb b/mrblib/hash.rb
index 9dcfb7e94..491d2a0ee 100644
--- a/mrblib/hash.rb
+++ b/mrblib/hash.rb
@@ -167,7 +167,7 @@ class Hash
     keys = []
     self.each_key{|k|
       v = self[k]
-      unless b.call(k, v)
+      unless b.call([k, v])
         keys.push(k)
       end
     }
@@ -185,7 +185,7 @@ class Hash
     h = {}
     self.each_key{|k|
       v = self[k]
-      if b.call(k, v)
+      if b.call([k, v])
         h[k] = v
       end
     }
-- 
cgit v1.2.3