module RuboCop::Cop::MultilineExpressionIndentation

def within_node?(inner, outer)
  o = outer.is_a?(AST::Node) ? outer.source_range : outer
  i = inner.is_a?(AST::Node) ? inner.source_range : inner
  i.begin_pos >= o.begin_pos && i.end_pos <= o.end_pos
end