lib/music-transcription/note.rb in music-transcription-0.7.2 vs lib/music-transcription/note.rb in music-transcription-0.7.3

@@ -18,11 +18,13 @@
     
     @check_methods = [ :ensure_positive_duration ]
   end
   
   def ensure_positive_duration
-    raise ValueNotPositiveError, "duration #{@duration} is not positive" if @duration <= 0
+    unless @duration > 0
+      raise ValueNotPositiveError, "duration #{@duration} is not positive"
+    end
   end
   
   def == other
     return (@duration == other.duration) &&
     (self.pitches == other.pitches) &&
@@ -31,10 +33,14 @@
   end
   
   def clone
     Marshal.load(Marshal.dump(self))
   end
+  
+  def clear_links
+    @links = {}
+  end
 
   def transpose diff
     self.clone.transpose! diff
   end
   
@@ -58,13 +64,9 @@
   end
   
   def stretch! ratio
     @duration *= ratio
     return self
-  end
-  
-  def valid?
-    @duration > 0
   end
   
   class Sixteenth < Note
     def initialize pitches = [], links: {}, accent: Accents::NONE
       super(Rational(1,16),pitches,links:links,accent:accent)