* error.c (Init_Exception): remove Exception#to_str. [Ruby2]

* eval.c (error_print): should no call "to_str" anymore use
  "message" method instead.

* io.c (rb_f_open): Kernel#open() calls "to_open" if the first
  argument responds to it. [Ruby2]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6102 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 4 insertions, 2 deletions

diff --git a/lib/optparse.rb b/lib/optparse.rb
index 4a979a78d1..761504a82f 100644
--- a/lib/optparse.rb
+++ b/lib/optparse.rb
@@ -1584,7 +1584,6 @@ Base class of exceptions from ((<OptionParser>))
     Returns inspection string.
 --- OptionParser::ParseError#message
 --- OptionParser::ParseError#to_s
---- OptionParser::ParseError#to_str
     Default stringizing method to emit standard error message.
 =end #'#"#`#
   class ParseError < RuntimeError
@@ -1625,7 +1624,6 @@ Base class of exceptions from ((<OptionParser>))
     end
 
     alias to_s message
-    alias to_str message
   end
 
 =begin
diff --git a/lib/pathname.rb b/lib/pathname.rb
index a6d0599610..c87a6e91ce 100644
--- a/lib/pathname.rb
+++ b/lib/pathname.rb
@@ -229,6 +229,10 @@ class Pathname
     "#<#{self.class}:#{@path}>"
   end
 
+  def to_open(*args) # :nodoc:
+    Kernel::open(@path, *args)
+  end
+
   #
   # Returns clean pathname of +self+ with consecutive slashes and useless dots
   # removed.  The filesystem is not accessed.