class Chronic::Scalar

def self.scan_for_scalars(token, post_token)

Returns a new Scalar object.

post_token - The next Token object.
token - The Token object we want to scan. 
def self.scan_for_scalars(token, post_token)
  if token.word =~ /^\d*$/
    unless post_token && DAY_PORTIONS.include?(post_token.word)
      return Scalar.new(token.word.to_i)
    end
  end
end