* lib/drb/acl.rb: Removed meaningless #to_s methods in interpolation.

  [Feature #10174][ruby-core:64584]
* lib/erb.rb: ditto.
* lib/observer.rb: ditto.
* lib/rake/invocation_chain.rb: ditto.
* lib/rubygems/command_manager.rb: ditto.
* lib/rubygems/config_file.rb: ditto.
* lib/uri/common.rb: ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47299 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

8 files changed, 18 insertions, 7 deletions

diff --git a/ChangeLog b/ChangeLog
index 47f5a45912..ee41889674 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,14 @@
+Wed Aug 27 21:19:40 2014  gogo tanaka  <mail@tanakakazuki.com>
+
+	* lib/drb/acl.rb: Removed meaningless #to_s methods in interpolation.
+	  [Feature #10174][ruby-core:64584]
+	* lib/erb.rb: ditto.
+	* lib/observer.rb: ditto.
+	* lib/rake/invocation_chain.rb: ditto.
+	* lib/rubygems/command_manager.rb: ditto.
+	* lib/rubygems/config_file.rb: ditto.
+	* lib/uri/common.rb: ditto.
+
 Wed Aug 27 21:08:20 2014  gogo tanaka  <mail@tanakakazuki.com>
 
 	* lib/drb/drb.rb: use attr_reader instead of Module#attr.
diff --git a/lib/drb/acl.rb b/lib/drb/acl.rb
index 8d06b25829..72e034e960 100644
--- a/lib/drb/acl.rb
+++ b/lib/drb/acl.rb
@@ -223,7 +223,7 @@ class ACL
       when 'deny'
         @deny.add(domain)
       else
-        raise "Invalid ACL entry #{list.to_s}"
+        raise "Invalid ACL entry #{list}"
       end
       i += 2
     end
diff --git a/lib/erb.rb b/lib/erb.rb
index b30812fa95..c372f56da8 100644
--- a/lib/erb.rb
+++ b/lib/erb.rb
@@ -548,7 +548,7 @@ class ERB
       def initialize(compiler, enc=nil)
         @compiler = compiler
         @line = []
-        @script = enc ? "#coding:#{enc.to_s}\n" : ""
+        @script = enc ? "#coding:#{enc}\n" : ""
         @compiler.pre_cmd.each do |x|
           push(x)
         end
diff --git a/lib/observer.rb b/lib/observer.rb
index 99610f7505..10f2eb0db5 100644
--- a/lib/observer.rb
+++ b/lib/observer.rb
@@ -127,7 +127,7 @@ module Observable
   def add_observer(observer, func=:update)
     @observer_peers = {} unless defined? @observer_peers
     unless observer.respond_to? func
-      raise NoMethodError, "observer does not respond to `#{func.to_s}'"
+      raise NoMethodError, "observer does not respond to `#{func}'"
     end
     @observer_peers[observer] = func
   end
diff --git a/lib/rake/invocation_chain.rb b/lib/rake/invocation_chain.rb
index 690435169a..540628957c 100644
--- a/lib/rake/invocation_chain.rb
+++ b/lib/rake/invocation_chain.rb
@@ -31,7 +31,7 @@ module Rake
     private
 
     def prefix
-      "#{tail.to_s} => "
+      "#{tail} => "
     end
 
     # Null object for an empty chain.
diff --git a/lib/rubygems/command_manager.rb b/lib/rubygems/command_manager.rb
index fdee064fed..54636bf996 100644
--- a/lib/rubygems/command_manager.rb
+++ b/lib/rubygems/command_manager.rb
@@ -136,7 +136,7 @@ class Gem::CommandManager
   def run(args, build_args=nil)
     process_args(args, build_args)
   rescue StandardError, Timeout::Error => ex
-    alert_error "While executing gem ... (#{ex.class})\n    #{ex.to_s}"
+    alert_error "While executing gem ... (#{ex.class})\n    #{ex}"
     ui.backtrace ex
 
     terminate_interaction(1)
diff --git a/lib/rubygems/config_file.rb b/lib/rubygems/config_file.rb
index cf14017ea2..1f4afba0f4 100644
--- a/lib/rubygems/config_file.rb
+++ b/lib/rubygems/config_file.rb
@@ -337,7 +337,7 @@ if you believe they were disclosed to a third party.
       end
       return content
     rescue *YAMLErrors => e
-      warn "Failed to load #{filename}, #{e.to_s}"
+      warn "Failed to load #{filename}, #{e}"
     rescue Errno::EACCES
       warn "Failed to load #{filename} due to permissions problem."
     end
diff --git a/lib/uri/common.rb b/lib/uri/common.rb
index 00051a88fa..facca4b08b 100644
--- a/lib/uri/common.rb
+++ b/lib/uri/common.rb
@@ -51,7 +51,7 @@ module URI
         end
       else
         raise ArgumentError,
-          "expected Array of or Hash of components of #{klass.to_s} (#{klass.component[1..-1].join(', ')})"
+          "expected Array of or Hash of components of #{klass} (#{klass.component[1..-1].join(', ')})"
       end
       tmp[:scheme] = klass.to_s.sub(/\A.*::/, '').downcase