Extended maintenance of Ruby versions 1.8.7 and 1.9.2 ended on July 31, 2014. Read more
# File syck/lib/syck/rubytypes.rb, line 404 def to_yaml( opts = {} ) return super unless YAML::ENGINE.syck? YAML::quick_emit( self, opts ) do |out| out.map( taguri, nil ) do |map| map.add( 'denominator', denominator ) map.add( 'numerator', numerator ) end end end