lib/measured/unit_system_builder.rb in measured-2.4.0 vs lib/measured/unit_system_builder.rb in measured-2.5.0

@@ -1,8 +1,9 @@
 class Measured::UnitSystemBuilder
   def initialize
     @units = []
+    @cache = nil
   end
 
   def unit(unit_name, aliases: [], value: nil)
     @units << build_unit(unit_name, aliases: aliases, value: value)
     nil
@@ -11,11 +12,16 @@
   def si_unit(unit_name, aliases: [], value: nil)
     @units += build_si_units(unit_name, aliases: aliases, value: value)
     nil
   end
 
+  def cache(cache_class, *args)
+    @cache = {class: cache_class, args: args}
+    nil
+  end
+
   def build
-    Measured::UnitSystem.new(@units)
+    Measured::UnitSystem.new(@units, cache: @cache)
   end
 
   private
 
   SI_PREFIXES = [