lib/steep/interface/builder.rb in steep-1.7.0.dev.3 vs lib/steep/interface/builder.rb in steep-1.7.0

@@ -60,9 +60,10 @@
       end
 
       def shape(type, config)
         Steep.logger.tagged "shape(#{type})" do
           if shape = raw_shape(type, config)
+            # Optimization that skips unnecesary substittuion
             if type.free_variables.include?(AST::Types::Self.instance)
               shape
             else
               if s = config.subst
                 shape.subst(s)