initial cool.io support

Cool.io is the new name for Rev.  We'll continue to support Rev
until Cool.io breaks backwards compatibility.  Rev may not be
supported if Cool.io is.

1 files changed, 6 insertions, 1 deletions

diff --git a/lib/rainbows/fiber/rev.rb b/lib/rainbows/fiber/rev.rb
index 85d1c5f..be1b3d9 100644
--- a/lib/rainbows/fiber/rev.rb
+++ b/lib/rainbows/fiber/rev.rb
@@ -1,6 +1,11 @@
 # -*- encoding: binary -*-
 # :enddoc:
-require 'rev'
+begin
+  require 'coolio'
+rescue LoadError
+  require 'rev'
+end
+require 'rev' if defined?(Coolio)
 require 'rainbows/fiber'
 require 'rainbows/fiber/io'