Extract version number from the source

"requiring version.rb" strategy has some issues.

- cannot work when cross-compiling
- often introduces wrong namespace
- must know the superclasses
- costs at each runtime than at build-time

etc.

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/weakref.rb b/lib/weakref.rb
index 824d4016e1..3b681a529c 100644
--- a/lib/weakref.rb
+++ b/lib/weakref.rb
@@ -17,6 +17,7 @@ require "delegate"
 #
 
 class WeakRef < Delegator
+  VERSION = "0.1.0"
 
   ##
   # RefError is raised when a referenced object has been recycled by the