From a55accd736e13307f7e925af86751ca878be2058 Mon Sep 17 00:00:00 2001
From: ksss <co000ri@gmail.com>
Date: Mon, 23 Nov 2015 21:58:38 +0900
Subject: Implement IO.pipe

---
 mrblib/io.rb | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'mrblib')

diff --git a/mrblib/io.rb b/mrblib/io.rb
index 4d2fda5f3..1742fac32 100644
--- a/mrblib/io.rb
+++ b/mrblib/io.rb
@@ -41,6 +41,19 @@ class IO
     end
   end
 
+  def self.pipe(&block)
+    if block
+      begin
+        r, w = IO._pipe
+        yield r, w
+      ensure
+        r.close unless r.closed?
+        w.close unless w.closed?
+      end
+    else
+      IO._pipe
+    end
+  end
 
   def self.read(path, length=nil, offset=nil, opt=nil)
     if not opt.nil?        # 4 arguments
-- 
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