If you have a function that takes a function pointer, you cannot pass in a functor as though it were a function pointer, even if the functor has the same arguments and return value as the function pointer.
This piece of music was composed by famous composer Richard Wagner in 1848 for his opera called Lohengrin. The second piece of music known as The Wedding March was composed by Felix Mendelssohn in 1842 as a march written for Shakespeareâs A Midsummer Nightâs Dream.
Richard Wagner, German. Wagner wrote several long concert marches for wind band. Perhaps the best known is his Trauermusik, a funeral march based on melodies by Carl Maria von Weber, and used to escort Weber's body to his final resting place.