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')

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


From fc930700b723ea2905deafb4dace5218b87d5a73 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby-lang.org>
Date: Wed, 18 Oct 2017 10:21:54 +0900
Subject: Add `Kernel#itself`; CRuby2.2

---
 mrbgems/mruby-kernel-ext/src/kernel.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'mrbgems/mruby-kernel-ext')

diff --git a/mrbgems/mruby-kernel-ext/src/kernel.c b/mrbgems/mruby-kernel-ext/src/kernel.c
index 7e6fa28bd..94a8ac320 100644
--- a/mrbgems/mruby-kernel-ext/src/kernel.c
+++ b/mrbgems/mruby-kernel-ext/src/kernel.c
@@ -222,6 +222,22 @@ mrb_f_hash(mrb_state *mrb, mrb_value self)
   return tmp;
 }
 
+/*
+ *  call-seq:
+ *     obj.itself -> an_object
+ *
+ *  Returns <i>obj</i>.
+ *
+ *      string = 'my string' #=> "my string"
+ *      string.itself.object_id == string.object_id #=> true
+ *
+ */
+static mrb_value
+mrb_f_itself(mrb_state *mrb, mrb_value self)
+{
+  return self;
+}
+
 void
 mrb_mruby_kernel_ext_gem_init(mrb_state *mrb)
 {
@@ -235,6 +251,7 @@ mrb_mruby_kernel_ext_gem_init(mrb_state *mrb)
   mrb_define_module_function(mrb, krn, "String", mrb_f_string, MRB_ARGS_REQ(1));
   mrb_define_module_function(mrb, krn, "Array", mrb_f_array, MRB_ARGS_REQ(1));
   mrb_define_module_function(mrb, krn, "Hash", mrb_f_hash, MRB_ARGS_REQ(1));
+  mrb_define_module_function(mrb, krn, "itself", mrb_f_itself, MRB_ARGS_NONE());
 }
 
 void
-- 
cgit v1.2.3