eliminate ivar uninitialized warnings

mojombo · Sep 2, 2008 · a3f37a0 · a3f37a0
1 parent 76cd39a
commit a3f37a0
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/lib/grit/lazy.rb b/lib/grit/lazy.rb
@@ -20,8 +20,10 @@ def lazy_reader(*args)
     args.each do |arg|
       ivar = "@#{arg}"
       define_method(arg) do
-        val = instance_variable_get(ivar) 
-        return val if val
+        if instance_variable_defined?(ivar)
+          val = instance_variable_get(ivar)
+          return val if val
+        end
         instance_variable_set(ivar, (@lazy_source ||= lazy_source).send(arg))
       end
     end