* ext/psych/lib: moved external library dependent files from lib.

  [ruby-core:29129]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27112 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 22 insertions, 0 deletions

diff --git a/ext/psych/lib/psych/core_ext.rb b/ext/psych/lib/psych/core_ext.rb
new file mode 100644
index 0000000000..bd22219c07
--- /dev/null
+++ b/ext/psych/lib/psych/core_ext.rb
@@ -0,0 +1,22 @@
+class Object
+  def self.yaml_tag url
+    Psych.add_tag(url, self)
+  end
+
+  # FIXME: rename this to "to_yaml" when syck is removed
+
+  ###
+  # call-seq: to_yaml
+  #
+  # Convert an object to YAML
+  def psych_to_yaml options = {}
+    Psych.dump self, options
+  end
+  alias :to_yaml :psych_to_yaml
+end
+
+module Kernel
+  def y *objects
+    puts Psych.dump_stream(*objects)
+  end
+end