Deprecate taint/trust and related methods, and make the methods no-ops

This removes the related tests, and puts the related specs behind
version guards.  This affects all code in lib, including some
libraries that may want to support older versions of Ruby.

1 files changed, 3 insertions, 26 deletions

diff --git a/lib/delegate.rb b/lib/delegate.rb
index 7a2ad50ac3..8c176dc82c 100644
--- a/lib/delegate.rb
+++ b/lib/delegate.rb
@@ -220,35 +220,12 @@ class Delegator < BasicObject
   private :initialize_clone, :initialize_dup
 
   ##
-  # :method: trust
-  # Trust both the object returned by \_\_getobj\_\_ and self.
-  #
-
-  ##
-  # :method: untrust
-  # Untrust both the object returned by \_\_getobj\_\_ and self.
-  #
-
-  ##
-  # :method: taint
-  # Taint both the object returned by \_\_getobj\_\_ and self.
-  #
-
-  ##
-  # :method: untaint
-  # Untaint both the object returned by \_\_getobj\_\_ and self.
-  #
-
-  ##
   # :method: freeze
   # Freeze both the object returned by \_\_getobj\_\_ and self.
   #
-
-  [:trust, :untrust, :taint, :untaint, :freeze].each do |method|
-    define_method method do
-      __getobj__.send(method)
-      super()
-    end
+  def freeze
+    __getobj__.freeze
+    super()
   end
 
   @delegator_api = self.public_instance_methods