You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: where_binding_mixs.rb
    path of file: ./repos/rails_or/lib/rails_or
    
    the code of the file until where you have to start completion: class RailsOr::WhereBindingMixs
  attr_reader :where_values
  attr_reader :bind_values

  def initialize(where_values, bind_values)
    @where_values = where_values
    @bind_values = bind_values
  end

  def +(other)
    self.class.new(@where_values + other.where_values, @bind_values + other.bind_values)
  
    
  def select
    binds_index = 0
    new_bind_values = []
    new_where_values = @where_values.select do |node|
      flag = yield(node)
      if not node.is_a?(String)
        binds_contains = node.grep(Arel::Nodes::BindParam).size
        pre_binds_index = binds_index
        binds_index += binds_contains
        (pre_binds_index...binds_index).each{|i| new_bind_values << @bind_values[i] } if flag
      end
      next flag
    end