As such we can say that a square is a  type of rectangle which is a type of shape. We can therefore pass a  square into any function that expects a shape or rectangle object  because a square is covariant with both a rectangle and a shape.
Format: Audio CD. The song Rule the World was featured in the motion picture Stardust which was released in the US this year. Although little known in the US, Take That is a top act in Europe and thing song has hit the top 10 list in the UK immediately after its release.
Photos: 'We Are the World': Where are they now? 'We Are the World': Where are they now? â Famed composer and producer Quincy Jones oversaw the song. Jones, now 81, won an album of the year Grammy for 1989's Back on the Block and was inducted into the Rock and Roll Hall of Fame in 2013.