# File lib/arel/visitors/visitor.rb, line 18 def visit object send dispatch[object.class], object rescue NoMethodError => e raise e if respond_to?(dispatch[object.class], true) superklass = object.class.ancestors.find { |klass| respond_to?(dispatch[klass], true) } raise(TypeError, "Cannot visit #{object.class}") unless superklass dispatch[object.class] = dispatch[superklass] retry end