From 97782e659632e43b1329a1a8f2e7018a47ae4d3d Mon Sep 17 00:00:00 2001
From: elliottcable <git@elliottcable.name>
Date: Thu, 11 Jun 2009 13:00:43 -0800
Subject: [PATCH] Pushing a Ruby warning when overriding String#each, but only
 worrying about it pre-1.9

---
 .manifest                        | 8 +++++---
 lib/stringray.rb                 | 7 ++++++-
 lib/stringray/core_ext.rb        | 1 +
 lib/stringray/core_ext/kernel.rb | 6 ++++++
 stringray.gemspec                | 4 ++--
 5 files changed, 20 insertions(+), 6 deletions(-)
 create mode 100644 lib/stringray/core_ext.rb
 create mode 100644 lib/stringray/core_ext/kernel.rb

diff --git a/.manifest b/.manifest
index 4a3b5b3..eb91dba 100644
--- a/.manifest
+++ b/.manifest
@@ -1,6 +1,8 @@
-lib/stringray/core_ext/spec/rake/verify_rcov.rb
 lib/stringray.rb
-Rakefile.rb
-README.markdown
+lib/stringray/core_ext.rb
+lib/stringray/core_ext/kernel.rb
+lib/stringray/core_ext/spec/rake/verify_rcov.rb
 spec/stringray_spec.rb
+README.markdown
+Rakefile.rb
 .manifest
diff --git a/lib/stringray.rb b/lib/stringray.rb
index 9c2c9ed..f599a8f 100644
--- a/lib/stringray.rb
+++ b/lib/stringray.rb
@@ -1,3 +1,5 @@
+require 'stringray/core_ext'
+
 module StringRay
   VERSION = 2
   
@@ -212,7 +214,10 @@ module StringRay
     # +String#each_at+.
     def make_enumerable!
       self.class_eval do
-        alias_method :each_at, :each if RUBY_VERSION <= "1.9"
+        if RUBY_VERSION <= "1.9"
+          Kernel::warn "overriding String#each with StringRay#enumerate; this may break old libaries!"
+          alias_method :each_at, :each
+        end
         alias_method :each, :enumerate
         
         include Enumerable
diff --git a/lib/stringray/core_ext.rb b/lib/stringray/core_ext.rb
new file mode 100644
index 0000000..79105e4
--- /dev/null
+++ b/lib/stringray/core_ext.rb
@@ -0,0 +1 @@
+require 'stringray/core_ext/kernel'
diff --git a/lib/stringray/core_ext/kernel.rb b/lib/stringray/core_ext/kernel.rb
new file mode 100644
index 0000000..321a8a8
--- /dev/null
+++ b/lib/stringray/core_ext/kernel.rb
@@ -0,0 +1,6 @@
+module Kernel
+  def self.warn message
+    super "#{caller[-1]}: warning: #{message}"
+  end
+end
+
diff --git a/stringray.gemspec b/stringray.gemspec
index 014268e..9e4f7aa 100644
--- a/stringray.gemspec
+++ b/stringray.gemspec
@@ -9,8 +9,8 @@ Gem::Specification.new do |s|
   s.date = %q{2009-06-11}
   s.description = %q{Combining many of the benefits of Arrays and Strings, StringRay allows you to treat a String as an Array of words in many cases.}
   s.email = ["StringRay@elliottcable.com"]
-  s.extra_rdoc_files = ["lib/stringray/core_ext/spec/rake/verify_rcov.rb", "lib/stringray.rb", "README.markdown"]
-  s.files = ["lib/stringray/core_ext/spec/rake/verify_rcov.rb", "lib/stringray.rb", "Rakefile.rb", "README.markdown", "spec/stringray_spec.rb", ".manifest", "stringray.gemspec"]
+  s.extra_rdoc_files = ["lib/stringray.rb", "lib/stringray/core_ext.rb", "lib/stringray/core_ext/kernel.rb", "lib/stringray/core_ext/spec/rake/verify_rcov.rb", "README.markdown"]
+  s.files = ["lib/stringray.rb", "lib/stringray/core_ext.rb", "lib/stringray/core_ext/kernel.rb", "lib/stringray/core_ext/spec/rake/verify_rcov.rb", "spec/stringray_spec.rb", "README.markdown", "Rakefile.rb", ".manifest", "stringray.gemspec"]
   s.has_rdoc = true
   s.homepage = %q{http://github.com/elliottcable/stringray}
   s.rdoc_options = ["--line-numbers", "--inline-source", "--title", "Stringray", "--main", "README.markdown"]
-- 
2.11.4.GIT