class Cucumber::Ast::Feature

def to_sexp
  sexp = [:feature, @file, @name]
  comment = @comment.to_sexp
  sexp += [comment] if comment
  tags = @tags.to_sexp
  sexp += tags if tags.any?
  sexp += [@background.to_sexp] if @background
  sexp += @feature_elements.map{|fe| fe.to_sexp}
  sexp
end