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.
All Over the World (Electric Light Orchestra song) All Over the World is a song by the Electric Light Orchestra (ELO). It is featured in the 1980 feature film Xanadu in a sequence with the film's stars Olivia Newton-John, Gene Kelly, and Michael Beck. The song also appears on the soundtrack album Xanadu, and was performed as well in the 2007 Broadway musical Xanadu.