added -o and -x to analyze_vals

[biopieces.git] / code_ruby / lib / maasha / seq / backtrack.rb

diff --git a/code_ruby/lib/maasha/seq/backtrack.rb b/code_ruby/lib/maasha/seq/backtrack.rb
index 782252465d974c7491a2efa9a9185d9422a316e0..3e9a781d7bcad706877ccf77cb6b108d4686c47f 100644 (file)
--- a/code_ruby/lib/maasha/seq/backtrack.rb
+++ b/code_ruby/lib/maasha/seq/backtrack.rb
@@ -146,7 +146,7 @@ module BackTrack
       options[:start] = result.first + 1
     end
 
-    return matches.empty? ? nil : matches unless block_given?
+    return matches unless block_given?
   end
 
   private