Made MetaRing more modular

src/crystal-scatter/metaring.cr

@@ -44,8 +44,11 @@ module Crystal::Scatter
             return tag
         end
 
-        private def get_slice_from_hash(h : UInt64)
-            
+        private def get_slice_from_hash(ring : Ring, h : UInt64)
+            value = ring.find do |slice|
+                h>=slice.s_begin && slice.s_end>=h
+            end
+            return value.not_nil!
         end
 
         def add(element : Daemon)
@@ -84,10 +87,7 @@ module Crystal::Scatter
             end
             slices = Array(Slice).new
             targets.each do |h|
-                value = ring.find do |slice|
-                    h>=slice.s_begin && slice.s_end>=h
-                end
-                slices << value.not_nil!
+                slices << get_slice_from_hash(ring, h)
             end
             return slices
         end