From: Kazuhiro NISHIYAMA <zn@...>
Date: 2001-05-14T01:07:46+09:00
Subject: [ruby-dev:13178] Queue#empty?

Array#empty?の方が速いと思います。

clearは配列が大きい場合Array#clearよりもArray#replace([])の
方が速いようですが。


Index: thread.rb
===================================================================
RCS file: /src/ruby/lib/thread.rb,v
retrieving revision 1.9.2.1
diff -u -r1.9.2.1 thread.rb
--- thread.rb   2001/03/14 04:45:46     1.9.2.1
+++ thread.rb   2001/05/13 15:57:20
@@ -170,7 +170,7 @@
     Thread.critical = true
     begin
       loop do
-       if @que.length == 0
+       if @que.empty?
          if non_block
            raise ThreadError, "queue empty"
          end
@@ -190,7 +190,7 @@
   alias deq shift

   def empty?
-    @que.length == 0
+    @que.empty?
   end

   def clear


-- 
|ZnZ(ゼット エヌ ゼット)
|西山和広(Kazuhiro NISHIYAMA)