# File lib/data_mapper/constraints/adapters/extension.rb, line 15
        def include_constraint_api(const_name)
          require constraint_extensions(const_name)

          if Constraints::Adapters.const_defined?(const_name)
            adapter = const_get(const_name)
            constraint_module = Constraints::Adapters.const_get(const_name)
            adapter.class_eval { include constraint_module }
          end
        rescue LoadError
          # Silently ignore the fact that no adapter extensions could be required
          # This means that the adapter in use doesn't support constraints
        end