array.rb

class Array
  # find_map
  # example:
  #    [nil, 'hello  '].find_map |n|
  #      n.try(:strip)
  #    end => 'hello'
  def find_map(&block)
    result = nil
    self.each do |q|
      result = yield(q)
      break if result
    end
    result
  end
end