lib/crosscounter/util.rb in crosscounter-0.4.0 vs lib/crosscounter/util.rb in crosscounter-0.5.0

@@ -1,18 +1,28 @@
 require 'set'
 
 module Crosscounter
+  DEFAULT_SEPARATOR = '|'
+
   module Util
     extend self
 
+    def separator=(sep)
+      @@separator = sep
+    end
+
+    def separator
+      @@separator ||= DEFAULT_SEPARATOR
+    end
+
     def hashify(hash)
       stringify(hash).inject({}) do |memo, key|
-        memo[key] = 0
+        memo[key] = true
         memo
       end
     end
 
-    def stringify(hash, sep = '|')
+    def stringify(hash, sep = separator)
       hash.flat_map do |key, value|
         if value.kind_of?(Enumerable)
           value.map { |elem| "#{key}#{sep}#{elem}" }
         else
           ["#{key}#{sep}#{value}"]