From 1519616ecb12fe9a121b83c32f74109cf2a5b533 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby-lang.org>
Date: Tue, 17 Oct 2017 09:10:13 +0900
Subject: Add `Kernel#yield_self`; CRuby2.5

---
 mrbgems/mruby-kernel-ext/mrblib/kernel.rb | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 mrbgems/mruby-kernel-ext/mrblib/kernel.rb

(limited to 'mrbgems/mruby-kernel-ext/mrblib/kernel.rb')

diff --git a/mrbgems/mruby-kernel-ext/mrblib/kernel.rb b/mrbgems/mruby-kernel-ext/mrblib/kernel.rb
new file mode 100644
index 000000000..25a4d4ed4
--- /dev/null
+++ b/mrbgems/mruby-kernel-ext/mrblib/kernel.rb
@@ -0,0 +1,13 @@
+module Kernel
+  # call-seq:
+  #   obj.yield_self {|_obj|...} -> an_object
+  #
+  # Yields <i>obj</i> and returns the result.
+  #
+  #   'my string'.yield_self {|s|s.upcase} #=> "MY STRING"
+  #
+  def yield_self(&block)
+    return to_enum :yield_self unless block
+    block.call(self)
+  end
+end
-- 
cgit v1.2.3