lib/danica/operator/chained.rb in danica-2.4.2 vs lib/danica/operator/chained.rb in danica-2.4.3

@@ -14,33 +14,33 @@
       def include?(value)
         value = wrap_value(value)
         variables.include?(value)
       end
 
-      def to_tex
-        to_string(:tex)
+      def to(format)
+        extractor = string_extractor(format)
+        variables.procedural_join(extractor, &join_proc(symbol(format)))
       end
 
-      def to_gnu
-        to_string(:gnu)
-      end
-
       private
 
-      def to_string(type)
-        extractor = string_extractor("to_#{type}")
-        symbol = { tex: tex_symbol, gnu: gnu_symbol }[type]
-        variables.procedural_join(extractor, &join_proc(symbol))
+      def symbol(format)
+        case format.to_sym
+        when :tex
+          tex_symbol
+        when :gnu
+          gnu_symbol
+        end
       end
 
       def join_proc(symbol)
         proc { " #{symbol} " }
       end
 
       def string_extractor(method)
         proc do |parcel|
           parcel = wrap_as_group(parcel)
-          parcel.public_send(method)
+          parcel.to(method)
         end
       end
 
       def repack(other)
         other_variables = other.is_a?(self.class) ? other.variables : [ other ]