new_anyy.rb

class Array
  def new_any?(&block)
    if block_given?
      selected = self.select(&block)
    else
      selected = self
    end

    if selected.length == 0
      false
    else
      true
    end
  end
end

## The hotshot version -- three lines!
## Walkthrough at https://www.bloc.io/resources/new-any-walkthrough
# class Array
#   def new_any?(&block)
#     selected = self.select(&block) if block_given?
#     subarray = selected || self
#     subarray.length > 0
#   end
# end