ostruct.rb: deferred accessors

* lib/ostruct.rb (freeze): define deferred accessors before
  freezing to get rid of an error when just reading frozen
  OpenStruct.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53396 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 5 insertions, 0 deletions

diff --git a/lib/ostruct.rb b/lib/ostruct.rb
index e5b69608ad..17efcdc8d3 100644
--- a/lib/ostruct.rb
+++ b/lib/ostruct.rb
@@ -176,6 +176,11 @@ class OpenStruct
   end
   protected :new_ostruct_member
 
+  def freeze
+    @table.each_key {|key| new_ostruct_member(key)}
+    super
+  end
+
   def respond_to_missing?(mid, include_private = false)
     mname = mid.to_s.chomp("=").to_sym
     @table.key?(mname) || super