lib/rbs/variance_calculator.rb in rbs-0.12.2 vs lib/rbs/variance_calculator.rb in rbs-0.13.0

@@ -118,10 +118,10 @@
                         env.interface_decls[type.name].decl.type_params
                       end
 
         type.args.each.with_index do |ty, i|
           var = type_params.params[i]
-          case var.variance
+          case var&.variance
           when :invariant
             type(ty, result: result, context: :invariant)
           when :covariant
             type(ty, result: result, context: context)
           when :contravariant