gistfile1.txt

class Person < ActiveRecord::Base
  named_scope hair_color,           lambda { |hair_color| { :conditions => ["people.hair_color = ?", hair_color]}}
  named_scope enjoys_chunky_bacon,  lambda { |chunky_bacon_preference| {:conditions => ["people.chunky_bacon_preference = ?", chunky_bacon_prefence]}}
  named_scope age_between,          lambda { |lower_limit, upper_limit| {:conditions => ["people.age BETWEEN ? AND ?", lower_limit, upper_limit]}}
end